He was a doctor in Fallville, Iowa.
When Barry Allen was a child, Nora was murdered and Henry was convicted of the crime. This incident drove his son to become a policeman, in hope of finding the real killer.
Henry died in prison a year or two before his son became the Flash.
- The The Flash: Rebirth series introduced a major retcon to the story of Henry Allen. See Henry Allen (Earth-One) for his history prior to this retcon.
- 5 Appearances of Henry Allen (New Earth)
- 1 Images featuring Henry Allen (New Earth)
- Quotations by or about Henry Allen (New Earth)
- Character Gallery: Henry Allen (New Earth)