Chemistry: Biographies
- Soren Peter Lauritz Sorensen
- Stanislao Cannizzaro
- Svante August Arrhenius
- Theodor Svedberg
- Thomas Graham
- Vladimir Prelog
- Wallace Hume Carothers
- Walther Hermann Nernst
- Wilhelm Conrad Rontgen
- Willard Frank Libby
- William David Coolidge
- William Francis Giauque
- William Higgins
- William Hyde Wollaston
- William Prout
- William Ramsay
- Yuan Tseh Lee