During the 1950s and 1960s, Avery Johnson was at MIT, conducting research at the MIT Neurophysiology Laboratory. Canadian physician Warren Mortimer Brodey (b. 1924) was a psychiatrist at U.S. National Institute of Mental Health (NIMH) and Georgetown University, 1956-1964, and then joined the MIT Environmental Ecology Laboratory. [https://siarchives.si.edu/collections/siris_arc_290581 Source]. [https://siarchives.si.edu/collections/siris_arc_290580]