Daniel I. Arnon
Polish-American plant physiologist (1910–1994) / From Wikipedia, the free encyclopedia
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Daniel Israel Arnon (November 14, 1910 – December 20, 1994)[1] was a Polish-born American plant physiologist and National Medal of Science recipient whose research led to greater insights into the operation of photosynthesis and nutrition in plants.[2]
Daniel Israel Arnon | |
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Born | (1910-11-14)November 14, 1910 |
Died | December 20, 1994(1994-12-20) (aged 84) |
Alma mater | University of California, Berkeley |
Known for | Photophosphorylation, Plant nutrition, Molybdenum, Vanadium, Hoagland solution |
Awards | The Arnon Lecture (2000) National Medal of Science (1973) Nobel Prize (1967, nominated) Stephen Hales Prize (1966) Newcomb Cleveland Prize (1940) |
Scientific career | |
Fields | Plant physiology |
Institutions | University of California, Berkeley |
Doctoral advisor | Dennis Robert Hoagland |
In the first part of his professional career, the so-called "Plant Nutrition Years (1936-1950)", Arnon and collaborators discovered the essentiality of molybdenum for the growth of all plants and of vanadium for the growth of green algae. In the second one, the so-called "Photosynthesis Period (1951-1978)", plant micronutrient work led him to photosynthesis.[2]
In 1954, Arnon, Mary Belle Allen and Frederick Robert Whatley discovered photophosphorylation in vitro.[2] In 1967, for this work, he was nominated jointly with Allen and Whatley for a Nobel Prize in Chemistry.[3]