- Pierre Lecomte Du Nuoy: Pioneering Scientist of Biological Chemistry
- Peter Debye: Nobel Prize-Winning Physical Chemist | Biography & Contributions
- Peter Mitchell: Nobel Prize-Winning Chemist & Chemiosmosis Theory
- Paul Sabatier: Nobel Prize-Winning Chemist & Hydrogenation Catalyst Pioneer
- Paul Karrer: Pioneering Chemist & Nobel Laureate | History & Contributions
- Paul Crutzen: Pioneer of Ozone Layer Research & Nobel laureate
- Paul J. Flory: Nobel Prize-Winning Physical Chemist
- Paul Hermann Müller: Discoverer of DDT & Nobel Laureate
- Paul Delos Boyer: Nobel Prize-Winning Biochemist & Energy Discovery
- Otto Wallach: Nobel Prize-Winning Chemist & Fragrance Industry Pioneer
- Otto Diels: Pioneer of the Diels-Alder Reaction & Organic Chemistry
- Odd Hassel: Nobel Prize-Winning Chemist & Conformational Analysis
- Nikolai N. Semenov: Nobel Prize-Winning Chemist & Pioneer of Chain Reactions
- Michael Smith: Nobel Prize-Winning Biochemist & Genetic Engineering Pioneer
- Melvin Calvin: Pioneer of Photosynthesis & Nobel Laureate
- Max Bodenstein: Pioneering Physical Chemist and Chain Reaction Researcher
- Mario J. Molina: Pioneer in Ozone Layer Science | Nobel Prize Winner
- Marcellin Berthelot: Pioneering Chemist of Organic Synthesis & Thermochemistry
- Manfred Eigen: Nobel Prize-Winning Chemist & Pioneer of Reaction Kinetics
- Luis Federico Leloir: Pioneer Biochemist & Nobel Laureate
- Ludwig Mond: Pioneering Chemist & Industrial Innovator
- Louis Pasteur: Discoveries & Impact on Science and Medicine
- Lloyd Quarterman: African American Nuclear Chemist & Manhattan Project Contribut
- Linus Pauling: Nobel Laureate & Pioneer in Chemistry and Peace
- Leopold Ruzicka: Nobel Prize-Winning Chemist | History & Contributions
- Kenichi Fukui: Nobel Prize-Winning Chemist & Pioneer in Reaction Theory
- Kathleen Lonsdale: Pioneering Chemist & Physicist | Biography
- Karl Ziegler: Pioneer of Modern Plastics & Nobel Laureate
- Karl Wilhelm Scheele: Pioneer Chemist & Discoverer of Oxygen
- Julius Lothar Meyer: Pioneer of the Periodic Table
- Joseph Louis Proust: Pioneer of the Law of Definite Proportions
- Joseph Black: Discoveries in Chemistry and Physics | Biography
- Joseph Achille Le Bel: Pioneering Chemist & Asymmetric Carbon Theory
- John Howard Northrop: Pioneer in Enzyme and Virus Protein Research | Nobel Laure
- John Frederic Daniell: Pioneering Scientist & Inventor
