By Jaclyn Cosgrove Staff Writer jcosgrove@oklahoman.comDr. Frank F. Wilson III wanted to come back home to work because he knew he could help people. It was 1967, and black women in Oklahoma City could only see their obstetrician-gynecologists on Thursdays. Wilson had spent the previous two years serving his country during the Vietnam War, working as a staff obstetrician-gynecologist at the U.S.