INFORMATION FROM FIND-A-GRAVE WEBSITE:

John Charles Zinnen
Birth          14 Oct 1930
Death          18 Aug 1981 (aged 50)
Burial         Fort Logan National Cemetery, Denver, City and County of Denver, Colorado, USA
Plot           Section S, Site 1572
Memorial ID    1361886  

This information and the picture below were obtained from: https://www.findagrave.com/memorial/1361886/john-charles-zinnen. The picture above was obtained from the 1949 HHS Memories yearbook, made available by the Lake County Public Library, at: https://archive.org/details/HOHS1949Images/.

OBITUARY INFORMATION FROM FAMILY SEARCH WEBSITE:

Brief Life History of John Charles

When John Charles Zinnen was born on 14 October 1930, in Gary, Lake, Indiana, United States, his father, John Joseph Zinnen, was 29 and his mother, Loretta Mary Stewart, was 25. He lived in Chicago, Cook, Illinois, United States in 1935 and Worth Township, Cook, Illinois, United States in 1940. He died on 18 August 1981, in Arapahoe, Colorado, United States, at the age of 50, and was buried in Denver, Colorado, United States.

This information was obtained from: https://www.familysearch.org/tree/person/about/GHNF-DZH.