09/13/2013 12:00:00 AMObituaryClarenceLyday'62,Alumni'69 M.Ed.obituaryAlumni Clarence Lyday (’62, ’69 M.Ed.), Arlington :: He taught math and coached in Arlington before building a career as a computer programmer and analyst with defense contractors and banks. He retired from information technology with the city of Arlington. At North Texas, he was a member of the Geezles.