John G. Mavroides ’51 ScM, ’53 PhD

John G. Mavroides ’51 ScM, ’53 PhD, of Okeechobee, Fla., formerly of Lexington, Mass.; Oct. 3. Before attending Brown, he  served in the U.S. Navy, followed by a position at the U.S. Navy underwater sound laboratory in New London, Conn. as project engineer in the development of electro-acoustical devices for the detection of submarines and in the development of an underwater telephone. After graduating from Brown, he joined the research staff at MIT Lincoln Laboratory, where he spent 32 years doing research on solid state materials. He published more than 50 articles and presented his work at numerous conferences and lectures, both nationally and internationally. He was a founding member of the St. Nicholas Greek Orthodox Church in Lexington and served on the first parish council. He is survived by two sons and their spouses, nine grandchildren, and five great-grandchildren.