| Robert Joseph Rubin | |
| Birth Date: | 17 August 1926 |
| Birth Place: | New York, New York |
| Death Place: | Washington, District of Columbia |
| Nationality: | American |
| Fields: | Mathematics |
| Workplaces: | Johns Hopkins Applied Physics Laboratory, University of Illinois, Los Alamos National Laboratory, National Bureau of Standards, National Institutes of Health |
| Alma Mater: | Cornell University |
Robert Joshua Rubin (; August 17, 1926 – January 18, 2008)[1] was an American mathematician whose work involved modelling complex physical systems.[2] He worked principally at the National Bureau of Standards, and was a Fellow of the American Association for the Advancement of Science and also a Fellow of the American Physical Society.
He received his bachelor's degree from Cornell University, and his doctorate also from Cornell, in 1951; his doctoral advisor was Peter Debye.
He worked first at the Johns Hopkins Advanced Physics Laboratory, and then at the Bureau of Standards.
From 1948 until his death in 2008, he was married to Vera Rubin. His children include Judith Young (astronomer) and Karl Rubin (mathematician).[2]