- Paul Josef Crutzen
- Paul Ioan Flory
- Paul Hermann Hermann Muller Muller
- Paul Delos Boyer
- Otto Wallach Wallach
- Otto Diels
- Odd Hassel
- Nikolai N. Semenov
- Michael Smith Smith
- Melvin Calvin Calvin
- Max Bodenstein
- Mario Jos Molina
- Marcellin Berthelot
- Manfred Eigen Eigen
- Luis Federico Leloir Luis Federico Leloir
- Ludwig Mond
- Louis Pasteur Pasteur
- Lloyd Quarterman
- Linus Carl Pauling Pauling
- Leopold Ruzicka
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