Robert S. Mulliken (June 7, 1896 – October 31, 1986) was an American physicist and chemist who received the Nobel Prize for Chemistry in 1966. He was a distinguished member of the faculty at the University of Chicago for 55 years. Mulliken was primarily responsible for the early development of molecular orbital theory (the elaboration of the molecular orbital method of computing the structure of molecules). His father was Samuel Mulliken, a professor of organic chemistry at MIT. He graduated...