- Ahn, Jinho1
- Albert, M.1
- Alemany, O.1
- Andres, R. J.1
- Archibald, Sally1
- Arndt, Derek S.1
- Arneth, Almut1
- Arnold, Steve R.1
- Artaxo, Paulo1
- Arthern, R.1
- Asaf, D.4
- Atlas, Eliot1
- Avery, Melody1
- Bachelet, Dominique1
- Baggenstos, D.1
- Bailey, A.1
- Balsamo, G.1
- Bassiouni, Maoya1
- Battin, T. J.1
- Bentley, C.1