- AFL-CIO1
- Abel, Elie1
- Abouchar, Alan1
- Abrikosov, Dmitrii Ivanovich1
- Abshire, David M.2
- Accoce, Pierre1
- Acheson, Dean1
- Achminow, Herman F.1
- Acton, H. B.1
- Aczél, György2
- Aczél, Tamás3
- Adam, Jan1
- Adamczyk, Rudolf1
- Adamec, Ludwig W.1
- Adamovich, Anton1
- Adamovich, Georgii1
- Adams, James Truslow1
- Adams, Jan S.1
- Adams, T. W.1
- Adenauer, Konrad2