John Gould Stephenson was an American physician and soldier. He was the fifth Librarian of the United States Congress
from 1861 to 1864. He was referred to as the "librarian of the Civil War era" because Stephenson's tenure of librarianship covered almost the entire length of the war.
Wikipedia https://en.wikipedia.org/wiki/John_Gould_Stephenson
Address (Unnamed Road), Washington 20003, United States
Coordinates 38°52'49.92" N -76°58'35.94" E