July Calendar -- Events in science and invention history and July birthdays.
Find out what famous event happened on the July Calendar for history concerning patents, trademarks, or copyrights. What famous inventor has the same July birthday as you.
July 1
1952 Silly Putty was trademark registered. A trademark protects words, names, symbols, sounds, or colors that distinguish goods and services. The roar of the MGM lion and the shape of a Coca-Cola bottle are also trademarks.
July 2
1907 Emil Haefely obtained a patent for a method of wrapping electrical conductors.
July 3
1979 The phrase Radio City Music Hall was trademark registered.
July 4
1933 William Coolidge obtained a patent for the X-ray tube, popularly called the Coolidge tube.
Fourth of July - How Fireworks Work
July 5
1988 The bugs bunny phrase "What's Up Doc?" was trademark registered
July 6
1904 Patent #764,166 was granted to Albert Gonzales for a railway switch.
July 7
1989 Warner Brothers copyrighted registered "Batman" a movie based on a popular cartoon character
July 8
1873 Anna Nichols became the first female patent examiner.
July 9
1968 US patent #3,392,261 for the "Portable Beam Generator," also known as a hand-held laser ray gun, was granted to inventor, Frederick R. Schollhammer.
July 10
1847 The rotary printing press was patented by Richard Hoe.
July 11
1893 HOOD'S Sarsaparilla CIH & CO Compound Extract was trademark registered.
1990 Bill Atkinson, the inventor of HyperCard software, left Apple Computers along with Andy Hertzfeld, co-inventor of the Apple Macintosh, and started a new company called General Magic.
July 12
1927 "Green Giant" Great Big Tender Peas was trademark registered
July 13
1836 Patent are now numbered.
July 14
1885 Sarah Goode became the first black woman to receive a U.S. patent.
July 15
1975 The Detroit Tigers name is trademark registered.
1985 Aldus PageMaker, the first desktop publishing program, was first shipped for sale to consumers, invented by Paul Brainard.
July 16
1878 Thaddeus Hyatt was granted a patent for reinforced concrete.
July 17
1888 Granville Woods received a patent for the "tunnel construction for electric railways."
July 18
1950 Sobin, Finlay, and Kane were issued a patent for producing terramycin, an antibiotic.
July 19
1921 The name Breyers Ice Cream was trademark registered
July 20
1865 The Patent Act of 1865 directed the Commissioner of Patents to turn over patent fees to the Treasury and meet expenses through Congressional appropriations
July 21
1875 Mark Twain's novel "The Adventure of Tom Sawyer" was copyright registered.
1984 The first robot-related fatality in the United States occurred when a factory robot in Jackson, Michigan, crushed a 34-year-old worker against a safety bar.
July 22
1873 Louis Pasteur received a patent for the manufacture of beer and treatment of yeast.
July 23
1906 The song "America the Beautiful" was copyright registered by Katharine Lee Bates.
1872 Jonathan Hoyt patented an improved lamp.
July 24
1956 A patent for an oral form of the antibiotic Penicillin was granted to Ernst Brandl and Hans Margreiter.
July 25
1876 Emily Tassey was granted a patent for an apparatus for raising sunken vessels
July 26
1994 Design patent #349,137 for a toy teddy bear was granted to Josef Gottstein
July 27
1960 The first episode of "The Andy Griffith Show" was copyright registered.
1921 Canadian scientists Frederick Banting and Charles Best first isolated insulin and within a year, the first human sufferers of diabetes were receiving insulin treatments.
July 28
1885 The "ready light" or taper was patented by John Mitchell.
July 29
1997 Design patent #381,781 for a swimming pool leaf and debris removal net was granted to Ross Clay.
July 30
1933 The Monopoly board game was copyright registered. Charles Darrow, became the first millionaire game designer after he sold his patent to Parker Brothers.
July 31
1790 Samuel Hopkins was issued the first U.S. patent for manufacturing potash.
Continue > July Birthdays
What famous inventor or scientist has the same July birthday as you. The seventh month of the year in the Gregorian calendar.
July Birthdays 1st to 10th
July Birthdays 11th to 20th
July Birthdays 21st to 31st
July 1
1742 Georg Christoph Lichtenberg, German physicist and educator, who discovered treelike patterns called Lichtenberg figures. He was known for what he called "waste books" which were the detailed notenooks that he kept full of quotes, sketches, snd stories.
1818 Ignaz Semmelweis, Hungarian physician who realized that many diseases were contagious and could be drastically reduced by enforcing appropriate hand-washing behavior by medical care-givers
1872 Louis Bleriot, French aviator, inventor and engineer who was the first man to fly an airplane across English Channel, and the first to invent a working monoplane
1904 Mary Calderone, physician and founder of planned parenthood
1908 Estee Lauder, the founder Estee Lauder cosmetics
July 2
1847 Marcel Bertrand, French mine engineer who founded tectonic geology and formulated the orogenic wave theory of mountain-building.
1888 Selman Waksman, American biochemist and microbiologist researched organic substances and their decomposition that led to his discovery of Streptomycin, and other antibiotics, Nobel Prize 1951
1905 Jean Rene Lacoste, French designer who used an crocodile logo on his Lacoste shirts which he introduced in 1929, also a tennis player Jean Rene Lacoste won the U.S. Open in 1926.
1906 Hans Bethe, physicist who contributed to quantum electrodynamics, nuclear physics, solid-state physics and particle astrophysics. He was the Director of the Theoretical Division at the Los Alamos laboratory and helped invent the first atomic bombs, Nobel Prize 1967
1932 Dave Thomas was the founder of the Wendy's Restaurants chain of fast-food restaurants.
July 3
1883 Alfred Korzybski, Polish scientist who formulated the theory of semantics
July 4
1753 Jean Pierre Francois Blanchard, French balloonist who made the first aerial crossing of the English Channel, and made the first balloon flight in North America
1810 Phineas Taylor Barnum was a circus promoter who co-started the Barnum & Bailey circus
1847 James Anthony Bailey was a circus promoter who co-started the Barnum and Bailey circus
1883 Rube Goldberg was an American inventor, engineer, and a Pulitzer Prize winning political cartoonist.
1885 Louis B Mayer, was a motion-picture executive who founded the Hollywood film studio Metro-Goldwyn-Mayer, and invented the star-system of actors.
July 5
1794 Sylvester Graham invented the graham cracker
1867 Andrew Ellicott Douglass invented the dendrochronologer, used for tree-ring dating
1891 John Northrop, American biochemist who crystallized several enzymes, Nobel prize 1946
1904 Ernst Mayr, German biologist who formulated the biological species concept
July 6
1884 Harold Vanderbilt invented the game of contract bridge
July 7
1752 Joseph Marie Jacquard invented the Jacquard Loom that weaved complex designs
1922 Pierre Cardin, French fashion designer who invented the Unisex look
July 8
1838 Ferdinand von Zeppelin invented the rigid airship
1893 Fritz Perls invented Gestalt therapy
July 9
1802 Thomas Davenport invented the first completely electric motor
1819 Elias Howe invented the first American-patented sewing machine
1856 Nikola Tesla, Croatian electrical engineer who invented the radio, X-rays, vacuum tube amplifier, alternating current, Tesla Coil and more.
1911 John Archibald Wheeler, born in Florida, American theoretical physicist, coined terms black hole, wormhole
July 10
1879 Harry Nicholls Holmes, chemist who crystallized vitamin A
1902 Kurt Alder, German chemist who formulated the Diels-Alder reaction, Nobel Prize 1950
1917 Don Herbert, American television personality who was Mr. Wizard on a science show.
1920 Owen Chamberlain, American physicist who discovered antiprotons, a sub-atomic antiparticle, Nobel Prize 1959
<<< June - August >>>
July Birthdays
What famous inventor or scientist has the same July birthday as you.
July Birthdays 1st to 10th
July Birthdays 11th to 20th
July Birthdays 21st to 31st
July 11
1838 John Wanamaker invented one of the first (if not the first) true department store, invented the first White Sale, modern price tags, and the first in-store restaurant. He also pioneered the use of money-back guarantees and newspaper ads to advertise his retail goods.
July 12
1730 Josiah Wedgwood, England pottery designer, and manufacturer, who invented the technique for making Wedgwood china and industrialized the manufacturing of pottery.
1849 William Osler, Canada physician considered a Father of modern medicine, wrote about the circulatory system
1854 George Eastman, American inventor who invented the Kodak camera and rolled photographic film
1895 Buckminster Fuller, American architect who invented the geodesic dome
1913 Willis Lamb, American physicist who discovered how electrons behave in the hydrogen atom, Nobel Prize 1955
July 13
1826 Stanislao Cannizzaro, Italian chemist who formulated the Reaction of Cannizzaro
1944 Erno Rubik, Hungarian inventor who invented Rubik's cube
July 14
1857 Frederick Maytag invented the Maytag washing machine
1874 Andre Debierne, French chemist who discovered the element actinium
1918 Jay Forrester, digital computer pioneer who invented core memory
1921 Geoffrey Wilkinson, English chemist who pioneered inorganic chemistry, invented Wilkinson's catalyst and discovered the structure of ferrocene, Nobel Prize 1973
1924 James Whyte Black, Scottish doctor and pharmacologist who invented Propranolol, and synthesized Cimetidine, Nobel Prize 1988
July 15
1817 John Fowler, English engineer who built the London Metropolitan Railway
July 16
1704 John Kay, English machinist who invented the flying shuttle that improved looms
1801 Julius Plucker, German mathematician, and physicist, who formulated Plucker formulas and was the first person to identify Cathode rays
1888 Frits Zernike invented the phase-contrast microscope that allowed for the study of colorless and transparent biological materials, Nobel Prize 1953
1907 Orville Redenbacher invented and sold Orville Redenbacher's Gourmet Popcorn
July 17
1920 Gordon Gould, American physicist who invented a laser
July 18
1635 Robert Hooke, English physicist and the first person to see micrographia by using a microscope
1853 Hendrik Lorentz, Dutch physicist who discovered and explained the Zeeman effect, and derived the transformation equations used by Albert Einstein to describe space and time, Nobel Prize 1902
July 19
1814 Samuel Colt, American gunmaker who invented the Colt revolver
1865 Charles Horace Mayo, American surgeon who started the Mayo clinic
July 20
1897 Tadeusz Reichstein, Swiss chemist who invented a method to artificially synthesize vitamin C, Nobel Prize 1950
1947 Gerd Binnig, German physicist who invented the scanning tunneling microscope that could view individual atoms, Nobel Prize 1986
<<< June - August >>>
July Birthdays
What famous inventor or scientist has the same July birthday as you.
July Birthdays 1st to 10th
July Birthdays 11th to 20th
July Birthdays 21st to 31st
July 21
1620 Jean Picard, French astronomer who first accurately measured the length of a degree of a meridian (longitude line) and from that computed the size of the Earth
1810 Henri Victor Regnault, French physicist, and chemist known for his research on the thermal properties of gasses, also a photographer who invented the use of pyrogallic acid as a developing agent
1923 Rudolph Marcus, Canadian chemist who formulated the Marcus theory, the theory of electron-transfer reactions in chemical systems, Nobel Prize 1992
July 22
1822 Gregor Mendel, geneticist who discovered the laws of heredity
1844 William Archibald Spooner invented spoonerisms, a play on words
1887 Gustav Hertz, German quantum physicist who experimented on inelastic electron collisions in gasses known as the Franck–Hertz experiments, Nobel Prize 1925
1908 Amy Vanderbilt might be the inventor of etiquette and wrote the Complete Book of Etiquette
July 23
1827 Pieter Caland, Dutch hydraulic engineer who built the New Waterway of Rotterdam
1828 Jonathan Hutchinson, English surgeon who was the first to describe the medical signs for congenital syphilis
July 24
1898 Amelia Earhart, American aviator, who was the first woman to pilot across the Atlantic
July 25
1795 James Barry, female disguised as a man who became the surgeon general of the British army
1866 Frederick Frost Blackman, English plant physiologist who wrote the 1905 paper, Optima and Limiting Factors, in which he demonstrated that where a process depends on a number of independent factors, the rate at which it can take place is limited by the rate of the slowest factor
July 26
1799 Isaac Babbitt invented "babbitt's metal" used in engine bearings
1860 Philippe Jean Bunau-Varilla, French engineer who helped build the Panama Canal
1875 Carl Jung, Swiss psychologist who invented analytical psychology known as Jungian psychology
1894 Aldous Huxley, English science fiction author, who wrote Brave New World
1919 James Ephraim Lovelock, English scientist, and futurist, known for proposing the Gaia hypothesis, in which he postulates that the Earth functions as a kind of superorganism.
July 27
1848 Roland Baron von Eotvos, Hungarian physicist who formulated the concept of molecular surface tension, and the Eötvös torsion balance
1938 Gary Gygax, American game designer who co-invented Dungeons & Dragons role-playing game
July 28
1907 Earl Silas Tupper invented Tupperware
July 29
1891 Bernhard Zondek, German gynecologist who invented the first reliable pregnancy test in 1928
July 30
1863 Henry Ford, American automaker, who invented the Model T Ford
1887 Felix Andries Vening Meinesz, Dutch geophysicist, who invented a precise method for measuring gravity called the gravimeter. The gravimeter allowed for precise measure of gravity at sea, which led Meinesz to discover gravity anomalies above the ocean floor due to continental drift
1889 Vladimir Zworykin, Russian electronics engineer who invented an electronic television system
July 31
1803 John Ericsson, American inventor of the screw propeller for ships
1918 Paul D. Boyer, American biochemist, Nobel Prize 1997
1919 Primo Levi, Italian chemist turned writer best know for his autobiography entitled Survival in Auschwitz
<<< Click Hear to see All Months Calendar of Famous Inventions and Birthdays >>>
July Calendar
July 1
1952 Silly Putty was trademark registered. A trademark protects words, names, symbols, sounds, or colors that distinguish goods and services. The roar of the MGM lion and the shape of a Coca-Cola bottle are also trademarks.
July 2
1907 Emil Haefely obtained a patent for a method of wrapping electrical conductors.
July 3
1979 The phrase Radio City Music Hall was trademark registered.
July 4
1933 William Coolidge obtained a patent for the X-ray tube, popularly called the Coolidge tube.
Fourth of July - How Fireworks Work
July 5
1988 The bugs bunny phrase "What's Up Doc?" was trademark registered
July 6
1904 Patent #764,166 was granted to Albert Gonzales for a railway switch.
July 7
1989 Warner Brothers copyrighted registered "Batman" a movie based on a popular cartoon character
July 8
1873 Anna Nichols became the first female patent examiner.
July 9
1968 US patent #3,392,261 for the "Portable Beam Generator," also known as a hand-held laser ray gun, was granted to inventor, Frederick R. Schollhammer.
July 10
1847 The rotary printing press was patented by Richard Hoe.
July 11
1893 HOOD'S Sarsaparilla CIH & CO Compound Extract was trademark registered.
1990 Bill Atkinson, the inventor of HyperCard software, left Apple Computers along with Andy Hertzfeld, co-inventor of the Apple Macintosh, and started a new company called General Magic.
July 12
1927 "Green Giant" Great Big Tender Peas was trademark registered
July 13
1836 Patent are now numbered.
July 14
1885 Sarah Goode became the first black woman to receive a U.S. patent.
July 15
1975 The Detroit Tigers name is trademark registered.
1985 Aldus PageMaker, the first desktop publishing program, was first shipped for sale to consumers, invented by Paul Brainard.
July 16
1878 Thaddeus Hyatt was granted a patent for reinforced concrete.
July 17
1888 Granville Woods received a patent for the "tunnel construction for electric railways."
July 18
1950 Sobin, Finlay, and Kane were issued a patent for producing terramycin, an antibiotic.
July 19
1921 The name Breyers Ice Cream was trademark registered
July 20
1865 The Patent Act of 1865 directed the Commissioner of Patents to turn over patent fees to the Treasury and meet expenses through Congressional appropriations
July 21
1875 Mark Twain's novel "The Adventure of Tom Sawyer" was copyright registered.
1984 The first robot-related fatality in the United States occurred when a factory robot in Jackson, Michigan, crushed a 34-year-old worker against a safety bar.
July 22
1873 Louis Pasteur received a patent for the manufacture of beer and treatment of yeast.
July 23
1906 The song "America the Beautiful" was copyright registered by Katharine Lee Bates.
1872 Jonathan Hoyt patented an improved lamp.
July 24
1956 A patent for an oral form of the antibiotic Penicillin was granted to Ernst Brandl and Hans Margreiter.
July 25
1876 Emily Tassey was granted a patent for an apparatus for raising sunken vessels
July 26
1994 Design patent #349,137 for a toy teddy bear was granted to Josef Gottstein
July 27
1960 The first episode of "The Andy Griffith Show" was copyright registered.
1921 Canadian scientists Frederick Banting and Charles Best first isolated insulin and within a year, the first human sufferers of diabetes were receiving insulin treatments.
July 28
1885 The "ready light" or taper was patented by John Mitchell.
July 29
1997 Design patent #381,781 for a swimming pool leaf and debris removal net was granted to Ross Clay.
July 30
1933 The Monopoly board game was copyright registered. Charles Darrow, became the first millionaire game designer after he sold his patent to Parker Brothers.
July 31
1790 Samuel Hopkins was issued the first U.S. patent for manufacturing potash.
Continue > July Birthdays
<<< Click Hear to see All Months Calendar of Famous Inventions and Birthdays >>>
July Birthdays
What famous inventor or scientist has the same July birthday as you. The seventh month of the year in the Gregorian calendar.
July Birthdays 1st to 10th
July Birthdays 11th to 20th
July Birthdays 21st to 31st
July 1
1742 Georg Christoph Lichtenberg, German physicist and educator, who discovered treelike patterns called Lichtenberg figures. He was known for what he called "waste books" which were the detailed notenooks that he kept full of quotes, sketches, snd stories.
1818 Ignaz Semmelweis, Hungarian physician who realized that many diseases were contagious and could be drastically reduced by enforcing appropriate hand-washing behavior by medical care-givers
1872 Louis Bleriot, French aviator, inventor and engineer who was the first man to fly an airplane across English Channel, and the first to invent a working monoplane
1904 Mary Calderone, physician and founder of planned parenthood
1908 Estee Lauder, the founder Estee Lauder cosmetics
July 2
1847 Marcel Bertrand, French mine engineer who founded tectonic geology and formulated the orogenic wave theory of mountain-building.
1888 Selman Waksman, American biochemist and microbiologist researched organic substances and their decomposition that led to his discovery of Streptomycin, and other antibiotics, Nobel Prize 1951
1905 Jean Rene Lacoste, French designer who used an crocodile logo on his Lacoste shirts which he introduced in 1929, also a tennis player Jean Rene Lacoste won the U.S. Open in 1926.
1906 Hans Bethe, physicist who contributed to quantum electrodynamics, nuclear physics, solid-state physics and particle astrophysics. He was the Director of the Theoretical Division at the Los Alamos laboratory and helped invent the first atomic bombs, Nobel Prize 1967
1932 Dave Thomas was the founder of the Wendy's Restaurants chain of fast-food restaurants.
July 3
1883 Alfred Korzybski, Polish scientist who formulated the theory of semantics
July 4
1753 Jean Pierre Francois Blanchard, French balloonist who made the first aerial crossing of the English Channel, and made the first balloon flight in North America
1810 Phineas Taylor Barnum was a circus promoter who co-started the Barnum & Bailey circus
1847 James Anthony Bailey was a circus promoter who co-started the Barnum and Bailey circus
1883 Rube Goldberg was an American inventor, engineer, and a Pulitzer Prize winning political cartoonist.
1885 Louis B Mayer, was a motion-picture executive who founded the Hollywood film studio Metro-Goldwyn-Mayer, and invented the star-system of actors.
July 5
1794 Sylvester Graham invented the graham cracker
1867 Andrew Ellicott Douglass invented the dendrochronologer, used for tree-ring dating
1891 John Northrop, American biochemist who crystallized several enzymes, Nobel prize 1946
1904 Ernst Mayr, German biologist who formulated the biological species concept
July 6
1884 Harold Vanderbilt invented the game of contract bridge
July 7
1752 Joseph Marie Jacquard invented the Jacquard Loom that weaved complex designs
1922 Pierre Cardin, French fashion designer who invented the Unisex look
July 8
1838 Ferdinand von Zeppelin invented the rigid airship
1893 Fritz Perls invented Gestalt therapy
July 9
1802 Thomas Davenport invented the first completely electric motor
1819 Elias Howe invented the first American-patented sewing machine
1856 Nikola Tesla, Croatian electrical engineer who invented the radio, X-rays, vacuum tube amplifier, alternating current, Tesla Coil and more.
1911 John Archibald Wheeler, born in Florida, American theoretical physicist, coined terms black hole, wormhole
July 10
1879 Harry Nicholls Holmes, chemist who crystallized vitamin A
1902 Kurt Alder, German chemist who formulated the Diels-Alder reaction, Nobel Prize 1950
1917 Don Herbert, American television personality who was Mr. Wizard on a science show.
1920 Owen Chamberlain, American physicist who discovered antiprotons, a sub-atomic antiparticle, Nobel Prize 1959
<<< June - August >>>
July Birthdays
What famous inventor or scientist has the same July birthday as you.
July Birthdays 1st to 10th
July Birthdays 11th to 20th
July Birthdays 21st to 31st
July 11
1838 John Wanamaker invented one of the first (if not the first) true department store, invented the first White Sale, modern price tags, and the first in-store restaurant. He also pioneered the use of money-back guarantees and newspaper ads to advertise his retail goods.
July 12
1730 Josiah Wedgwood, England pottery designer, and manufacturer, who invented the technique for making Wedgwood china and industrialized the manufacturing of pottery.
1849 William Osler, Canada physician considered a Father of modern medicine, wrote about the circulatory system
1854 George Eastman, American inventor who invented the Kodak camera and rolled photographic film
1895 Buckminster Fuller, American architect who invented the geodesic dome
1913 Willis Lamb, American physicist who discovered how electrons behave in the hydrogen atom, Nobel Prize 1955
July 13
1826 Stanislao Cannizzaro, Italian chemist who formulated the Reaction of Cannizzaro
1944 Erno Rubik, Hungarian inventor who invented Rubik's cube
July 14
1857 Frederick Maytag invented the Maytag washing machine
1874 Andre Debierne, French chemist who discovered the element actinium
1918 Jay Forrester, digital computer pioneer who invented core memory
1921 Geoffrey Wilkinson, English chemist who pioneered inorganic chemistry, invented Wilkinson's catalyst and discovered the structure of ferrocene, Nobel Prize 1973
1924 James Whyte Black, Scottish doctor and pharmacologist who invented Propranolol, and synthesized Cimetidine, Nobel Prize 1988
July 15
1817 John Fowler, English engineer who built the London Metropolitan Railway
July 16
1704 John Kay, English machinist who invented the flying shuttle that improved looms
1801 Julius Plucker, German mathematician, and physicist, who formulated Plucker formulas and was the first person to identify Cathode rays
1888 Frits Zernike invented the phase-contrast microscope that allowed for the study of colorless and transparent biological materials, Nobel Prize 1953
1907 Orville Redenbacher invented and sold Orville Redenbacher's Gourmet Popcorn
July 17
1920 Gordon Gould, American physicist who invented a laser
July 18
1635 Robert Hooke, English physicist and the first person to see micrographia by using a microscope
1853 Hendrik Lorentz, Dutch physicist who discovered and explained the Zeeman effect, and derived the transformation equations used by Albert Einstein to describe space and time, Nobel Prize 1902
July 19
1814 Samuel Colt, American gunmaker who invented the Colt revolver
1865 Charles Horace Mayo, American surgeon who started the Mayo clinic
July 20
1897 Tadeusz Reichstein, Swiss chemist who invented a method to artificially synthesize vitamin C, Nobel Prize 1950
1947 Gerd Binnig, German physicist who invented the scanning tunneling microscope that could view individual atoms, Nobel Prize 1986
<<< June - August >>>
July Birthdays
What famous inventor or scientist has the same July birthday as you.
July Birthdays 1st to 10th
July Birthdays 11th to 20th
July Birthdays 21st to 31st
July 21
1620 Jean Picard, French astronomer who first accurately measured the length of a degree of a meridian (longitude line) and from that computed the size of the Earth
1810 Henri Victor Regnault, French physicist, and chemist known for his research on the thermal properties of gasses, also a photographer who invented the use of pyrogallic acid as a developing agent
1923 Rudolph Marcus, Canadian chemist who formulated the Marcus theory, the theory of electron-transfer reactions in chemical systems, Nobel Prize 1992
July 22
1822 Gregor Mendel, geneticist who discovered the laws of heredity
1844 William Archibald Spooner invented spoonerisms, a play on words
1887 Gustav Hertz, German quantum physicist who experimented on inelastic electron collisions in gasses known as the Franck–Hertz experiments, Nobel Prize 1925
1908 Amy Vanderbilt might be the inventor of etiquette and wrote the Complete Book of Etiquette
July 23
1827 Pieter Caland, Dutch hydraulic engineer who built the New Waterway of Rotterdam
1828 Jonathan Hutchinson, English surgeon who was the first to describe the medical signs for congenital syphilis
July 24
1898 Amelia Earhart, American aviator, who was the first woman to pilot across the Atlantic
July 25
1795 James Barry, female disguised as a man who became the surgeon general of the British army
1866 Frederick Frost Blackman, English plant physiologist who wrote the 1905 paper, Optima and Limiting Factors, in which he demonstrated that where a process depends on a number of independent factors, the rate at which it can take place is limited by the rate of the slowest factor
July 26
1799 Isaac Babbitt invented "babbitt's metal" used in engine bearings
1860 Philippe Jean Bunau-Varilla, French engineer who helped build the Panama Canal
1875 Carl Jung, Swiss psychologist who invented analytical psychology known as Jungian psychology
1894 Aldous Huxley, English science fiction author, who wrote Brave New World
1919 James Ephraim Lovelock, English scientist, and futurist, known for proposing the Gaia hypothesis, in which he postulates that the Earth functions as a kind of superorganism.
July 27
1848 Roland Baron von Eotvos, Hungarian physicist who formulated the concept of molecular surface tension, and the Eötvös torsion balance
1938 Gary Gygax, American game designer who co-invented Dungeons & Dragons role-playing game
July 28
1907 Earl Silas Tupper invented Tupperware
July 29
1891 Bernhard Zondek, German gynecologist who invented the first reliable pregnancy test in 1928
July 30
1863 Henry Ford, American automaker, who invented the Model T Ford
1887 Felix Andries Vening Meinesz, Dutch geophysicist, who invented a precise method for measuring gravity called the gravimeter. The gravimeter allowed for precise measure of gravity at sea, which led Meinesz to discover gravity anomalies above the ocean floor due to continental drift
1889 Vladimir Zworykin, Russian electronics engineer who invented an electronic television system
July 31
1803 John Ericsson, American inventor of the screw propeller for ships
1918 Paul D. Boyer, American biochemist, Nobel Prize 1997
1919 Primo Levi, Italian chemist turned writer best know for his autobiography entitled Survival in Auschwitz
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