Born in Kentucky and educated at Jefferson Medical College, Dr. Hall was the company doctor for the mine at New Almaden, California. He served during World War One at Fort Riley, Kansas. Later, he was among the first doctors in America to use the new X-ray technology and to build his own X-ray machine. He died in 1946.
A scrapbook and a pocket diary compiled by Dr. Joseph Underwood Hall, Jr., and a ledger book from the New Almaden mine. The scrapbook, which is indexed, contains poetry; quotations; writings, including a one-paragraph statement written by Hall giving his opinion about women's suffrage; articles on medical subjects and about Hall, his X-Ray experiments, and people he knew in San Jose; articles about the New Almaden mine; speeches; announcements and invitations for events; items relating to Jefferson Medical College; and photographs of Hall, his family, his homes, his offices, the town of New Almaden, and his X-Ray machine. The pocket diary, contains accounting notes, addresses, and a few diary entries. The ledger details accounting at the New Almaden mine during the years 1890-1893.
The addendum contains letters, loose photographs, and a family photograph album.
Joseph Underwood Hall, Jr. Papers, 1881-1936, Archives Center, National Museum of American History