John M. Buchanan, Ph.D. is a Professor emeritus of biochemistry at the Massachusetts Institute of Technology. He received his B.S. at DePauw University, in 1938, a M.S. at the University of Michigan, Ann Arbor in 1939 and a Ph.D. from Harvard University in 1943. He joines the United States National Academy of Sciences in 1962. Wikipedia
The definitive Wikipedia entry for John Buchanan. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/John_Buchanan_%28biologist%29