1986 Edward A Doisy Sr, discoverer of vitamin K (Nobel 1943), dies at 92
1986 Fritz A Lipman, discoverer (co-enzymes, Nobel 1953), dies at 87
1961 Ham radio satellite Oscar 1 launched with military Discoverer 36
1961 Discoverer 25 launched
1960 Discoverer 13 launched into orbit; returned 1st object from space
1959 Satellite Discoverer 6 launched into polar orbit
1959 Milt satellite Discoverer 5 launched (into polar orbit)
1959 USAF launches Discoverer II into polar orbit
1959 Launch of Discoverer 1 (WTR)-1st polar orbit
1959 Mohammed Zakaria Ghonein, discoverer of 6,000 yr old pyramid, dies
1952 Antonia Maury, discoverer (supergiant, giant and dwarf stars), dies
1950 Karl G Jansky, Czech discoverer of cosmic radio sources, dies at 44
1942 Robert Ballard, explorer/geologist/author/discoverer, Titanic in 1985
1910 Johann G Galle, German discoverer of Neptune by telescope, dies
1910 William Huggins, discoverer of stellar nature of Andromeda, dies
1907 Edwin M McMillan, U.S., physicist/discoverer plutonium, Nobel prize
1905 Karl Jansky, Czechoslovakia, discoverer, cosmic radio emissions in 1932
1889 Edwin Hubble, astronomer, discoverer of galaxies, red shift
1875 Heinrich Schwabe, discoverer (11-year sunspot cycle), dies
1867 Charles Fabry, discoverer, ozone layer in upper atmosphere
1858 Donati Comet 1st seen named after it's discoverer
1838 John Muir, U.S., naturalist/discoverer, glaciers in High Seirras
1838 Pierre Jules Cesar Janssen, discoverer of hydrogen in Sun
1836 Joseph Norman Lockyer, discoverer, Helium, /founder, Nature magazine
1824 William Higgins, discoverer, nature of spiral nebulae
1824 Edward Jenner, discoverer (vaccination), dies
1822 Gregor Mendel, monk/geneticist, discoverer of laws of heredity
1799 William Lassell, discoverer, satellites of Uranus and Neptune
1785 Caroline Herschel becomes 1st woman discoverer of a comet
1750 Caroline Herschel, astronomer/discoverer
1747 Johann Bode, "discoverer" of Bode's Law, dies
1746 Giuseppe Piazzi, Italian monk/discoverer, 1st asteroid-Ceres
1685 Brook Taylor, England, mathematician, discoverer of Taylor's Theorem
1625 Giovanni D Cassini, Perinaldo, France, discoverer, 4 moons of Saturn
1543 Juan Cabrillo, conqueror of Cen America, discoverer of California, dies
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