1. Herman Spaink - Principal Investigator

2. Pietro Spanu - Principal Investigator

3. Konstantin Sparrer - Principal Investigator

4. Paul Spearman - Principal Investigator

5. David Spencer - Principal Investigator

6. Sabrina Spencer - Principal Investigator

7. Ivo Spiegel - Principal Investigator

8. Bruce Spiegelman - Principal Investigator

9. Tobias Spielmann - Principal Investigator

10. Maria Spies - Principal Investigator

11. Martin Spiess - Principal Investigator

12. Elias Spiliotis - Principal Investigator

13. Jessica Spinelli - Principal Investigator

14. David Spray - Principal Investigator

15. Linda Spremulli - Principal Investigator

16. Michael Springer - Principal Investigator

17. Timothy Springer - Principal Investigator

18. David Sprinzak - Principal Investigator

19. John Spudich - Principal Investigator

20. Anne Spurkland - Principal Investigator