James L. Spehr will present “An Unexpected Career” as the seventh annual O’Keefe Lecture at 3:30 p.m. Thursday, Oct. 22, in Room 204 McNutt Hall. Spehr, who earned bachelor of science and master of science degrees in metallurgical engineering from Missouri S&T in 1964 and 1969, respectively, spent his entire professional career at McDonnell Douglas Corp., eventually rising to vice president of major aerospace programs.