Rank and organization: Seaman, U.S. Navy. Born: 1833, Germany. Accredited
to: Massachusetts. G.O. No.: 17, 10 July 1863.
Citation: Serving temporarily
on board the U.S.S. Mount Washington during the Nansemond River action,
14 April 1863. After assisting in hauling up and raising the flagstaff,
Thielberg volunteered to go up on the pilothouse and observe the movements
of the enemy and although 3 shells struck within a few inches of his head,
remained at his post until ordered to descend.
This data was extracted from the Committee on Veterans' Affairs, U.S. Senate, Medal of Honor Recipients: 1863-1973 (Washington, D.C.: Government Printing Office, 1973)