Melvin Ellis Calvin (April 8, 1911 – January 8, 1997) was an American biochemist known for discovering the Calvin cycle along with Andrew Benson and James Bassham, for which he was awarded the 1961 Nobel Prize in Chemistry. He spent most of his five-decade career at the University of California, Berkeley.

On a visit to the University of Manchester, Joel Hildebrand, the director of UC Radiation Laboratory, invited Calvin to join the faculty at the University of California, Berkeley. This made him the first non-Berkeley graduate hired by the chemistry department in +25 years. He invited Calvin to push forward in radioactive carbon research because "now was the time". Calvin's original research at UC Berkeley was based on the discoveries of Martin Kamen and Sam Ruben in long-lived radioactive carbon-14 in 1940.

In 1947, he was promoted to a Professor of Chemistry and the director of the Bio-Organic Chemistry group in the Lawrence Radiation Laboratory. The team he formed included: Andrew Benson, James A. Bassham, and several others. Andrew Benson was tasked with setting up the photosynthesis laboratory. The purpose of this lab was to discover the path of carbon fixation through the process of photosynthesis. The greatest impact of the research was discovering the way that light energy converts into chemical energy. Using the carbon-14 isotope as a tracer, Calvin, Andrew Benson and James Bassham mapped the complete route that carbon travels through a plant during photosynthesis, starting from its absorption as atmospheric carbon dioxide to its conversion into carbohydrates and other organic compounds. The process is part of the photosynthesis cycle. It was given the name the Calvin–Benson–Bassham Cycle, named for the work of Melvin Calvin, Andrew Benson, and James Bassham. There were many people who contributed to this discovery but ultimately Melvin Calvin led the charge.

In 1963, Calvin was given the additional title of Professor of Molecular Biology. He was founder and Director of the Laboratory of Chemical Biodynamics, known as the “Roundhouse”, and simultaneously Associate Director of Berkeley Radiation Laboratory, where he conducted much of his research until his retirement in 1980. In his final years of active research, he studied the use of oil-producing plants as renewable sources of energy. He also spent many years testing the chemical evolution of life and wrote a book on the subject that was published in 1969.

Melvin Calvin

Chemical Evolution: Molecular Evolution Towards the Origin of Living Systems on the Earth and Elsewhere – ⁠https://amzn.to/3JsG1WY⁠

Photosynthesis – ⁠https://amzn.to/3JnMNgJ⁠

The impurity of science – ⁠https://amzn.to/3W9sX0k⁠

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#63 – Melvin Calvin: A Brief Oral Autobiography of the Life and Work of Melvin Calvin 01:03:14 Share

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#63 – Melvin Calvin: A Brief Oral Autobiography of the Life and Work of Melvin Calvin