Elliott Waters Montroll (May 4, 1916 in Pittsburgh, Pennsylvania, USA - December 3, 1983 in Chevy Chase, Maryland, USA) was an American scientist and mathematician. He was awarded a Ph.D. in mathematics at the University of Pittsburgh in 1939, with a thesis "Applications of the characteristic value theory of integral equations' in which he applied integral equations to the study of imperfect gases. Wikipedia
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It was clear that given his passion for chemistry that was the subject Montroll would study at university. Indeed he entered the University of Pittsburgh in 1933, taking a chemistry course and he graduated with a B.S. in chemistry four years later. Howe www-groups.dcs.st-andrews.ac.uk/~history/Biographies/Mont...