A

David

Darling

Fischer, Hans (1881–1945)

Hans Otto Fischer

Hans Fischer was a German organic chemist awarded the 1930 Nobel Prize in Chemistry for his elucidation of the structure of, and synthesis of, the red blood pigment hemin – a substance closely related to heme. Fischer later worked on the analysis of chlorophyll, his research indicating a close relationship between chlorophyll and hemin. He also studied carotene.