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 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
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 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
