Served with Essex County Constabulary from Sep 26, 1938 and died on Jan 14, 1944.

Police Constable Lawrence Charles Hartman was the son of Cecil Augustus and Ann Caroline Hartman, of Ware, Hertfordshire, and was born at Sandgate in Kent on 10th September 1913. He served in the army from 12th October 1932 to 18th July 1938, and joined Essex County Constabulary on 26th September 1938. After Headquarters' training Lawrence was posted to Clacton from 3rd December 1938. He saw just under a year's service before being recalled to the army on 1st December 1939.

He is believed to have subsequently transferred to the Royal Air Force Volunteer Reserve, where he served as Flight Sergeant (Air Gunner) 657578 with 7 Squadron. On Friday, 14th January 1944 he was the rear gunner in the seven man crew of a Lancaster Mk. III aircraft, number JA935, which departed from R.A.F. Oakington at 4.59 p.m. The Lancaster, which is thought to have been participating on an air raid, came down in Germany with the loss of all seven crew. 31 year-old Lawrence was buried in grave 3. B. 18-19. at Hanover War Cemetery in Germany.