Abel, Frederick Augustus (1827–1902)
Acheson, Edward (Goodrich) (1856–1931)
Ader, Clément (1841–1926)
Alexanderson, Ernst Frederik Werner (1878–1957)
Alferov, Zhores Ivanovich (1930– )
Alford, Andrew (1904–1992)
Appert, Nicolas François (c.1750–1841)
Arkwright, Richard (1732–1792)
Armstrong, William George (1810–1900)
Aspdin, Joseph (1779–1855)