George Herbert Walker's great-grandson graduated from where in 1968?
George Herbert Walker George Herbert "Bert" Walker Sr. (June 11, 1875 – June 24, 1953) was an American banker and businessman and the maternal grandfather of President George H. W. Bush and a great-grandfather of President George W. Bush.
Joseph Edison Walker Joseph Edison Walker (March 31, 1879 – July 28, 1958) was a leading African American physician, businessman and religious leader. After graduating from college and medical school, he practiced as a doctor in Mississippi, where he was born and reared. He also became president of a bank and an insurance company serving blacks. In 1920 he moved with his family to Memphis, Tennessee for more opportunities.