Countless scientists contributed to its clarification with brilliance, ingenuity, intuition, and luck

Can you guess the famous scientist from the description?

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

Can you guess the famous scientist from the description?

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

Can you guess the famous scientist from the description?

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

Can you guess the famous scientist from the description?

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

Alchemical symbols often overlap with those of astrology, but can hardly be compared with the element symbols and structural formulas of modern chemistry