"Electrical engineer" . "John Peter Costas (1923, Wabash, Indiana \u2013 2008) was an American electrical engineer.Costas invented, among other things, the Costas loop and Costas arrays."@en . . "1923Z"^^ . . "Costas, John P."@en . "2008Z"^^ . . . . . "John P. Costas"@en . . . . .