Chemistry: Biographies
- Paul Emile Lecoq de Boisbauran
- Paul Karrer
- Paul Muller
- Percy Lavon Julian
- Pierre Eugene Marcellin Berthelot
- RainbowPUSH Coalition
- Richard Kuhn
- Richard Willstatter
- Richard Zsigmondy
- Robert Boyle
- Robert Burns Woodward
- Robert Hare
- Robert Robinson
- Robert Wilhelm Bunsen
- Sir Geofferey Wilkinson
- Sir Humphry Davy
- Sir James Dewar
- Sir William Crookes
- Sir William Ramsay
- Smithson Tennant