Educational background -- Cornell College, Iowa (1932-1936), Harvard University (1936-1940) with Frederick V. Hunt as thesis advisor; acoustics research at Harvard; teaching position at Massachusetts Institute of Technology (from 1947); formation of Bolt, Beranek and Newman (1948); research on electro-acoustics, architectural acoustics, acoustical impedance, aircraft acoustics, high altitude acoustics; community noise and noise control for aircraft; consulting projects including U. N. General Assembly room acoustics design (1950), Cleveland wind tunnel (1950-1951), Lincoln Center concert hall, San Diego concert hall; review of historical and modern concert hall designs; outdoor amphitheaters; president of Channel 5 television in Boston (1972-1983).