Youth and family life in Turkish Armenia prior to turn of century; time at Yale Sheffield Scientific School and early research interests; World War I work for U.S. Signal Corp; teaching experience and associates at Sheffield School; his book on mechanics; experience at Cavendish Laboratory, 1914; impressions of Joseph J. Thomson, reaction to Niels Bohr's atomic theory. Trinity College in Hartford, state of physics department; his preoccupation with wartime plight of Armenians. Comments on philosophy of science, reaction at Yale University to the theory of relativity, hazards of x-rays, concepts of centrifugal force, indeterminacy and complementarity. Also prominently mentioned is Leigh Page.