Seeking any information (or recommendations on where to seek more info) on John Arthur Hammer, b. Staten Island, 19 Jul 1904, grad NYPD Police Academy 1928 and was a Patrolman at time of his marriage to Angela Carmela Panza on 29 Nov 1930, still a Police Officer in NYC at time of 1940 census, and living on Staten Island. Have completely lost track of him beyond this time. Would like more info about his service with NYPD, death, etc. Thanks