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.
George Grunert George Grunert was a United States Army cavalry officer who worked his way up through the ranks from private to retirement as a Lieutenant General. His 47-year career extended from the Spanish–American War to the end of World War II.