Melvin Calvin

Melvin Calvin
Unknown (Mondadori Publishers) · Public domain · source
Name	Melvin Calvin
Birth date	April 8, 1911
Birth place	Minneapolis, Minnesota, United States
Death date	January 8, 1997
Death place	Berkeley, California, United States
Nationality	American
Fields	Chemistry, Biochemistry

Melvin Calvin was a renowned American chemist and biochemist who made significant contributions to the field of photosynthesis. He is best known for his work on the Calvin cycle, a series of chemical reactions that occur in plants, algae, and some bacteria, which involves the conversion of carbon dioxide and water into glucose and oxygen. Calvin's research was influenced by the work of Louis N.M. Duysens, Hill reaction, and Robert Hill. His discoveries have had a profound impact on our understanding of photosynthesis and its importance in the food chain, as well as the work of other notable scientists such as Albert Szent-Györgyi and Hans Krebs.

● Early Life and Education

Melvin Calvin was born in Minneapolis, Minnesota, to Elias Calvin and Rose Calvin, Jewish immigrants from Russia. He grew up in a family of modest means and was raised in Detroit, Michigan, where he developed an interest in chemistry and physics. Calvin attended Central High School (Detroit, Michigan), where he was encouraged by his teachers to pursue a career in science. He then went on to study chemistry at the University of Minnesota, where he earned his Bachelor of Science degree in 1931. Calvin later moved to Manchester, England, to work with Michael Polanyi at the University of Manchester, where he earned his Ph.D. in 1935. During his time in England, Calvin was also influenced by the work of Ernest Rutherford and Niels Bohr.

● Career

Calvin began his academic career as a research associate at the University of Manchester, where he worked with E.K. Rideal and Michael Polanyi. In 1937, he moved to the United States to take up a position as a research associate at the University of California, Berkeley, where he worked with Gilbert N. Lewis and Willard Libby. Calvin later became a professor of chemistry at University of California, Berkeley and served as the director of the Lawrence Berkeley National Laboratory from 1963 to 1980. During his tenure, he worked with notable scientists such as Glenn T. Seaborg, Edward Teller, and Ernest O. Lawrence.

● Research and Discoveries

Calvin's research focused on the photosynthetic process, particularly the light-independent reactions that occur in the chloroplasts of plants. He used radioactive isotopes, such as carbon-14, to trace the path of carbon dioxide through the photosynthetic process. Calvin's work led to the discovery of the Calvin cycle, which is a series of chemical reactions that convert carbon dioxide and water into glucose and oxygen. This discovery has had a significant impact on our understanding of photosynthesis and its importance in the food chain, as well as the work of other notable scientists such as C.B. van Niel and Samuel Ruben. Calvin's research also involved the study of photosynthetic bacteria, such as Rhodopseudomonas palustris, and the enzymes involved in the photosynthetic process, such as RuBisCO.

● Awards and Honors

Calvin received numerous awards and honors for his contributions to the field of chemistry and biochemistry. He was awarded the Nobel Prize in Chemistry in 1961 for his work on the photosynthetic process. Calvin also received the Priestley Medal from the American Chemical Society in 1978 and the National Medal of Science in 1989. He was elected a fellow of the National Academy of Sciences and a foreign member of the Royal Society. Calvin's work has also been recognized by the American Academy of Arts and Sciences, the American Philosophical Society, and the French Academy of Sciences.

● Personal Life

Calvin was married to Genevieve Calvin and had two children, Martha Calvin and Janet Calvin. He was an avid hiker and mountaineer and enjoyed classical music and literature. Calvin was also a strong advocate for nuclear disarmament and environmental protection. He was a member of the Federation of American Scientists and the Committee for Nuclear Responsibility. Calvin's personal life was also influenced by his friendships with notable scientists such as Linus Pauling and Harold Urey.

● Legacy

Calvin's legacy extends far beyond his scientific contributions. He was a dedicated teacher and mentor who inspired generations of scientists and students. Calvin's work on the Calvin cycle has had a profound impact on our understanding of photosynthesis and its importance in the food chain. His research has also led to the development of new technologies, such as artificial photosynthesis, which has the potential to provide a sustainable source of energy. Calvin's legacy continues to be celebrated by the scientific community, and his work remains an important part of the history of science, alongside the work of other notable scientists such as Antoine Lavoisier and Marie Curie. Category:American chemists