- Category : Humanities+Social-Sciences-Historian
- Type : PE
- Profile : 2/4 - Hermit / Opportunist
- Definition : Split - Large
- Incarnation Cross : RAX Planning 2
German art historian and founder of the Bildarchiv Foto Marburg, one of the largest image archives of European art and architecture containing around 2 million photographs from around the world. Hamann died on 9 January 1961.