Oscar W. Greenberg

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Oscar Wallace Greenberg (born February 18, 1932)^{[citation needed]} is an American physicist and professor at University of Maryland College of Computer, Mathematical, and Natural Sciences. He posited the existence of a hidden, 3-valued charge, called color charge, of subatomic particles, "quarks," in 1964,^[1] the same year that quarks were posited as constituents of hadrons by Murray Gell-Mann and, independently, by George Zweig.

Educational background[]

He received his bachelor's degree from Rutgers University in 1952. He received his master's degree in 1954 and his doctorate degree in 1957, both from Princeton University.

Professional History[]

• 1956 Instructor at Brandeis University.
• 1957 Air Force , 1st Lieutenant, USAF.
• 1959 NSF postdoctoral fellow at MIT.
• 1961 Assistant professor, University of Maryland.
• 1963 Associate professor, University of Maryland.
• Fall, 1964, Member, Institute for Advanced Study.
• 1964 Proposed the existence of color charge.
• 1965-66 Visiting Associate professor, Rockefeller University.
• 1967- Professor, University of Maryland.
• 1968 Guggenheim Fellowship^[2]
• 1968-69 Visiting Professor, Weizmann Institute of Science and Tel-Aviv University.
• 2013- Member of Adjunct Faculty, Rockefeller University.

References[]

External links[]

• Greenberg, Oscar - UMD Physics

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