- Category : 1891-births
- Type : MGE
- Profile : 3/5 - Martyr / Heretic
- Definition : Single
- Incarnation Cross : RAX Unexpected 1
German astronomer who discovered 21 asteroids during the period of 1911 to 1914 when he was working at the Heidelberg-Königstuhl Observatory while doing his Ph.D. there, which he obtained in 1915.
He died on 13 March 1962 in Wiesbaden, aged 70. The outer main-belt asteroid 3183 Franzkaiser was named in his memory on 1 September 1993 (M.P.C. 22497).