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Melvin Calvin

chemistry
Melvin Calvin and the Calvin Cycle in Photosynthesis

Melvin Calvin and the Calvin Cycle in Photosynthesis

Harald Sack
On April 8, 1911, American biochemist Melvin Calvin was born. Calvin is best known for furthering our knowledge of the mechanism of photosynthesis with the discovery the Calvin cycle along with Andrew Benson and James Bassham, for which he was awarded the 1961 Nobel Prize in Chemistry. Youth and Education Calvin was born in St. Paul, Minnesota, the son of Elias Calvin and Rose Herwitz, immigrants from Russia. Originally, his father was…
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chemistry
Cyril Ponnamperuma and the Origins of Life

Cyril Ponnamperuma and the Origins of Life

Tabea Tietz
On October 16, 1923, Ceylonese-American chemist and exobiologist Cyril Ponnamperuma was born. Cyril Ponnamperuma was a leading authority on the chemical origins of life. He built on the work of Miller and Clayton Urey studying chemical reactions in “primordial soup” experiments. Ponnamperuma focused on producing compounds related to the nucleic acids and offered a convincing theory about series of chemical reactions that gave rise to precursors of life on earth. Education Cyril Andrew…
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