1906 - Traian Vuia flew a self-propelled heavier-than-air aircraft which took off without any external means
1909 - Einar Dessau uses a short-wave radio transmitter becoming the first radio broadcaster.
1965 - Aleksei Leonov, leaving his spacecraft Voskhod 2 for 12 minutes,…
1844 - Harvey W. Wiley, American chemist
1847 - Galileo Ferraris, Italian physicist
1857 - Georges Gilles de la Tourette, French neurologist
1894 - Jean Rostand, French biologist
1895 - Gerhard Domagk, German bacteriologist and Nobel Prize laureate (declined)
1895 - Dickinson W. Richards,…
1991 - The American Galileo spacecraft makes its closest approach to 951 Gaspra (above), becoming the first probe to visit an asteroid.
1656 (O.S.) - Edmond Halley, English astronomer
1827 - Marcellin Berthelot, French chemist
1880 - Abram Ioffe, Soviet physicist
1915 - William…
1994 - Confirmation of the first extrasolar planets (around pulsar PSR B1257+12) is announced by Alexander Wolszczan.
1652 - Michel Rolle, French mathematician
1774 - Jean-Baptiste Biot, French physicist
1882 - Percy Williams Bridgman, American physicist, Nobel laureate
1889 - Paul…