American chemist known for the development of large-scale dextran production and xanthan gum

German chemist known for the Knorr quinoline synthesis, the Knorr pyrrole synthesis, and the Paal–Knorr synthesis

French chemist known for Grignard reagents and the C–C bond-forming Grignard reaction

American biochemist known for his role in discovery of the α-helix and the β-sheet

Bohemian-Austrian scientist who performed ground-breaking work in physical and general chemistry

English chemist who contributed to the development of the periodic table and the concept of valence

American chemist co-discovered promethium

Chemistry Nobel Laureate co-developed flash photolysis

First female chemist to work for the U.S. Geological Survey; also recruited to work on the Manhattan Project

British chemist and crystallographer known for his work on optically active N, S, Se, or Sn compounds