Tommy Flowers, (1905–1998) England – Colossus an early electronic computer.
Jean Bernard Léon Foucault, (1819– 1868 ) France – Foucault pendulum, gyroscope, eddy
current
Benoît Fourneyron, (1802–1867)
John Fowler, (1826–1864), England – steam-driven ploughing engine
Benjamin Franklin, (1706–1790) U.S. – the pointed lightning rod conductor, bifocal
glasses, the Franklin stove, the glass harmonica
Augustin-Jean Fresnel, (1788–1827)
William Friese-Greene, (1855–1921)
Buckminster Fuller, (1895–1983)
Ivan Fyodorov, (c. 1510– 1583 ) Russia/Poland–Lithuania – invented multibarreled mortar,
introduced printing in Russia
Svyatoslav Fyodorov, (1927–2000)
Vladimir Fyodorov, (1874– 1 966) Russia – Fedorov Avtomat (first self-loading battle rifle,
arguably the first assault rifle)
G
Dennis Gabor, (1900–1979)
Boris Borisovich Galitzine, (1862–1916)
Dmitri Garbuzov, (1940–2006) Russia/U.S. – continuous-wave-operating diode lasers
(together with Zhores Alferov), high-power diode lasers
Elmer R. Gates, (1859–1923) USA – foam fire extinguisher, electric loom mechanisms,
magnetic & diamagnetic separators, educational toy ("box & blocks")
Richard J. Gatling, (1818–1903) U.S. – wheat drill, first successful machine gun
Georgy Gause, (1910–1986) Russia – gramicidin S, neomycin, lincomycin and other
antibiotics
E. K. Gauzen Russia – three bolt equipment (early diving costume)
Hans Wilhelm Geiger, (1882–1945)
Andrey Geim, (born 1958)
Nestor Genko, (1839–1904) Russia – Genko's Forest Belt (the first large-scale windbreak
system)
Henri Giffard, (1825–1882) France – powered airship, injector
Valentyn Glushko, (1908–1989) Russia – hypergolic propellant, electric propulsion, Soviet
rocket engines (including world's most powerful liquid-fuel rocket engine RD-170)
Heinrich Göbel, (1818–1893)
Leonid Gobyato, (1875–1915) Russia – first modern man-portable mortar
Robert Goddard, (1882–1945) U.S. – liquid fuel rocket
Igor Gorynin, (1926) Russia – weldable titanium alloys, high strength aluminium alloys,
radiation-hardened steels
Peter Carl Goldmark, (1906–1977) Hungary – vinyl record (LP), CBS colour television
Charles Goodyear, (1800–1860) U.S. – vulcanization of rubber
Gordon Gould, (1920–2005) U.S. – co-inventor of laser