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.
George Walker (composer) George Theophilus Walker (born June 27, 1922) is an African-American composer, the first to win the Pulitzer Prize for Music. He received the Pulitzer for his work "Lilacs" in 1996.