Abstract :
In view of his outstanding theoretical and experimental investigations of numerous radio and acoustic devices, the Morris Liebmann Memorial Prize for 1931 was awarded to Stuart Ballantine of Boonton, NJ, USA. A short biography of Stuart Ballantine is provided. He is a Fellow of the American Physical Society, The Acoustical Society of America, and a Member of the Franklin Institute. He became an Associate member of the Institute of Radio Engineers in 1916 and a Fellow in 1928.
