REMINISCENCES OF W. G. CADY AND THE EARLY HISTORY OF FERROELECTRICITY

On 9 December, 1974, Professor Walter Guyton Cady, the inventor of Frequency Control by quartz crystals, died one day short of his lOOth birthday. Twelve years before he had returned to live in the fine old home of his birth on Brown University Hill in Providence, Rhode Island, U.S.A. Early in November 1935 the writer,just arrived from threatened Europe, was met by Professor Cady at the Meriden Railroad Station to interview for a research assistantship in Physics at Wesleyan Univer·