Hufnagel was the son of the teacher Johannes Hufnagel and his wife Ida Marie Henriette née Aschenbrenner. He married Theodora Lydia Smith on August 6  (impossible) in Frankfurt am Main. Hufnagel studied at Heidelberg University . In 1912 he became a senior teacher in Arolsen and in 1924 was promoted to the teaching position there. He later became a teacher at the Kaiser-Friedrich-Gymnasium in Frankfurt. From 1919 to 1922 he was a member of the Waldeck-Pyrmont constitutional representation for the DDP .
- Reinhard König: The members of the Waldeck Landtag from 1848 to 1929 . Hessisches Staatsarchiv, Marburg 1985, ISBN 3-88964-122-9 , p. 53.
- Jochen Lengemann : MdL Hessen 1808-1996, 1996, ISBN 3-7708-1071-6 , p. 195.
|ALTERNATIVE NAMES||Hufnagel, Otto Julius|
|BRIEF DESCRIPTION||Member of Parliament Waldeck|
|DATE OF BIRTH||October 4, 1885|
|PLACE OF BIRTH||Frankfurt am Main|
|DATE OF DEATH||November 11, 1944|
|Place of death||Westerburg|