Cambridge Encyclopedia » Cambridge Encyclopedia Vol. 49

Martin (David) Kamen - Book by Martin Kamen

studied bacteria afterwards

Biochemist, born in Toronto, Ontario, SE Canada. He studied at Chicago, and afterwards held posts in a number of US universities. He showed that the oxygen formed in plants by photosynthesis is derived from water (and not from CO2); discovered the carbon isotope 14C, afterwards much used as a biochemical tracer; studied photosynthetic bacteria and nitrogen-fixing bacteria; and contributed to the discovery of messenger-RNA. In 1995 he received the Enrico Fermi Award for his lifetime achievements in energy research.

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