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.
Bill Walker (music director) William Alfred “Bill” Walker (born May 28, 1927) is an Australian-born American composer and conductor. Born in Sydney, he attended the University of Sydney's Conservatorium of Music before moving to South Africa.