Inventions and Their Inventors A
Inventions and their Inventors A Vitaly Abalakov (1906–1986), Russia – camming devices, Abalakov thread (or V-thread) gearless ice climbing anchor Ernst Karl Abbe (1840–1905), Germany – Condenser (microscope), apochromatic lens, refractometer Hovannes Adamian (1879–1932), USSR/Russia – tricolor principle of the color television Samuel W. Alderson (1914–2005), U.S. – Crash test dummy Alexandre Alexeieff (1901–1982), Russia/France – Pinscreen animation (with his wife Claire Parker) Rostislav Alexeyev (1916–1980), Russia/USSR – Ekranoplan Randi Altschul (born 1960), U.S. – Disposable cellphone Bruce Ames (born 1928), U.S. – Ames test (Cell biology) Giovanni Battista Amici (1786–1863), Italy – Dipleidoscope, Amici prism Ruth Amos (born 1989), UK – StairSteady Mary Anderson (1866–1953), U.S. – windshield wiper blade Momofuku Ando (1910–2007), Japan – Instant noodles Hal Anger (1920–2005), U.S. – Well counter (radioactivity measurements), gamma camera Anders Knutsson Ångström (1888–1981), Sweden – Pyranometer Ottomar Anschütz (1846–1907), Germany – single-curtain focal-plane shutter, electrotachyscope Hermann Anschütz-Kaempfe (1872–1931), Germany – Gyrocompass Virginia Apgar (1909–1974), U.S. – Apgar score (for newborn babies) Nicolas Appert (1749–1841), France – canning (food preservation) using glass bottles, see also Peter Durand Archimedes (c. 287–212 BC), Greece – Archimedes' screw Guido of Arezzo (c. 991–c. 1033), Italy – Guidonian hand, musical notation, see also staff (music) Ami Argand (1750–1803), France – Argand lamp William George Armstrong (1810–1900), UK – hydraulic accumulator Neil Arnott (1788–1874), UK – waterbed Joseph Aspdin (1788–1855), UK – Portland cement John Vincent Atanasoff (1903–1995), Bulgaria/U.S. – electronic digital computer 1 Inventions and their Inventors B Charles Babbage (1791–1871), UK – Analytical engine (semi-automatic) Tabitha Babbit (1779–1853), U.S.
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