A
Bruno Abakanowicz, (1852–1900)
spirograph
Vitaly Abalakov, (1906–1986) Russia – camming devices, Abalakov thread (or V-thread)
gearless ice climbing anchor
Hovannes Adamian, (1879–1932) Armenia/Russia – tricolour principle of the colour
television
Robert Adler, (1913–2007) Austria/United States – wireless remote control
Anatoly Alexandrov, (1903–1994) Russia – anti-mine demagnetising of ships, naval
nuclear reactors (including one for the first nuclear icebreaker)
Alexandre Alexeieff, (1901–1982) Russia/France – pinscreen animation (with his wife
Claire Parker)
Rostislav Alexeyev, (1916–1980)
Zhores Alferov, (1930) Russia – heterotransistor, continuous-wave-operating diode laser
(together with Dmitri Garbuzov)
Genrich Altshuller, (1926–1998) Russia – TRIZ ("The Theory of Solving Inventor's
Problems")
Hermann Anschütz-Kaempfe, (1872–1931)
Mary Anderson, (1866–1953) United States – windshield wiper blade
Vasily Andreyev, (1861–1918)
Oleg Antonov, (1906– 1984 ) Russia – An-series aircraft, including A-40 winged tank and
An-124 (the largest serial cargo, later modified to world's largest fixed-wing aircraft An-225)
Nicolas Appert, (1749–1841) France – canning (airtight food preservation)
Archimedes, (c. 287–212 BC) Greece – Archimedes' screw
Ami Argand, (1750–1803)
Edwin Howard Armstrong, (1890–1954)
William George Armstrong, (1810–1900)
Neil Arnott, (1788–1874)
Lev Artsimovich, ( 1909 – 1973) Russia – tokamak
Joseph Aspdin, (1788–1855)
John Vincent Atanasoff, (1903–1995)
B
Charles Babbage, (1791–1871) UK – analytical engine (semi-automatic)
Roger Bacon, (1214–1292)
Leo Baekeland, (1863–1944) Belgian–American – Velox photographic paper and Bakelite
Ralph H. Baer, (1922–) German born American – video game console
Abd al-Latif al-Baghdadi, (1162–1231)....................................................................................
John Logie Baird, (1888–1946) Scotland – an electromechanical television, electronic
colour television
