Hans Fischer
German chemist (1881-1945) · Germany · Scientists · Died at 63
Hans Fischer is read about 52 times a day, in 63 languages.
A typical day, 30 days to 16 September 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 361 days, one point a day.
Something wrong?Hans Fischer cracked the molecular architecture of two of biology's most essential pigments - the heme that carries oxygen in blood and the chlorophyll that traps light in leaves - then built haemin from scratch in the lab.
A life in dates
Also in Deutsch
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About this person
Born 27 July 1881 in Germany, Fischer trained as an organic chemist and turned his attention to the molecules that make life's color and function possible. His painstaking work unraveled the structure of haemin, the iron-bearing core of hemoglobin, and chlorophyll, the green engine of photosynthesis. In 1929 he synthesized haemin in the laboratory, proving his structural model and earning the 1930 Nobel Prize for Chemistry. He continued refining the chemistry of these pigments through the war years. Fischer died 31 March 1945.
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