1. Oscar Aparicio - Principal Investigator

2. Kazuharu Arakawa - Principal Investigator

3. Sesilja Aranko - Principal Investigator

4. Silvia Arber - Principal Investigator

5. Mark Arbing - Principal Investigator

6. Petra Arck - Principal Investigator

7. Hossein Ardehali - Principal Investigator

8. Benjamin Arenkiel - Principal Investigator

9. Yonathan Arfi - Principal Investigator

10. Jonathan Arias - Principal Investigator

11. Jorge Luis Arias-Arias - Principal Investigator

12. A. Radu Aricescu - Principal Investigator

13. Hiroyoshi Ariga - Principal Investigator

14. Shin-ichi Arimura - Principal Investigator

15. Adam Arkin - Principal Investigator

16. Lise Arleth - Principal Investigator

17. Paola Arlotta - Principal Investigator

18. Katja Arndt - Principal Investigator

19. Elias Arnér - Principal Investigator

20. Don Arnold - Principal Investigator