Physics: Biographies
- Abdus Salam
- Albert Abraham Michelson
- Albert Einstein
- Aleksandr Mikhailovich Prokhorov
- Alessandro Giuseppe Antonio Anastasio Volta
- Alexander Dallas Bache
- Allan MacLeod Cormack
- Amedeo Avogadro conte di Quaregna
- Andre Marie Ampere
- angstrom
- Arno Allan Penzias
- Arnold Johannes Wilhelm Sommerfeld
- Arsene D Arsonval
- Arthur Erich Haas
- Arthur Holly Compton
- Augustin Jean Fresnel
- Becquerel
- Burton Richter
- Carl David Anderson
- Carl Wilhelm Ramsauer