Born October 19 1916 Bartelso, Illinois
Died February 21 2005
Severin Eugene Jantzen
1938
Mr America - AAU, Did not place
1939
America's Finest Physique, Tall, 4th
1940
Mr America - AAU, Did not place
1941
Mr California - AAU, 2nd
1944
Mr America - AAU, 3rd
1945
Mr America - AAU, Did not place
1946
Mr America - AAU, 10th
1947
Mr America - AAU, 17th
Junior Mr America - AAU, 2nd
| Vol 5, Num 5 | scan | Gene Jantzen | |
| 1939 August | scan | Dave Asnis, Gene Jantzen | |
| 1940 August | Vol 1, Num 7 | scan | Gene Jantzen |
| 1941 June | scan | Gene Jantzen | |
| 1944 October | scan | Gene Jantzen | |
| 1946 May | scan | Gene Jantzen |