Emil Fischer, German organic chemist, 1904.
4 0 c m
actual image size: 24cm x 32cm

Emil Fischer, German organic chemist, 1904.

© Science Museum / Science & Society Picture Library


In 1874 Emil Fischer (1852-1919) discovered the first hydrazine base, phenylhydrazine, but he is famous for his studies of the purines and the sugars, conducted between 1882 and 1906, during which he realised that various substances like adenine, caffeine and uric acid were from one homogenous group, and that the parent substance was purine (which he synthesised in 1898). His work on sugars changed the understanding of these compounds and he was awarded the Nobel Prize for Chemistry in 1902.

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