When did the father of George J. Gruen pass away ?
George J. Gruen George J. Gruen (1877–1953) was an American watchmaker who managed the Gruen Watch Co. He was the second son of the founder Dietrich Gruen.
John M. Walker Dr. John Mercer Walker, Sr. (January 15, 1909 – August 16, 1990) was an American physician and investment banker. A member of the prominent Bush-Walker family, he was a maternal uncle of US President George H.W. Bush.