Names
- Arthos, John2
- Ash, Major M.2
- Ashley, Brett2
- Atkins, Daniel2
- Atkinson, John W.2
- Atreya, Arvind2
- Atreya, Sushil K.2
- Atzmon, Michael2
- Aupperle, Eric M.2
- Austin, Douglas2
- Austin, Henry R.2
- Autrey-Hunley, Carolyn2
- Awkward, Michael2
- Axelrod, Morris2
- Axelrod, Pearl G.2
- Axelrod, Robert2
- Ayal, Eliezer B.2
- Ayers, John C.2
- Babcock, R. Gordon2
- Bach, David R.2