OBITUARY INFORMATION FROM FIND-A-GRAVE WEBSITE:

Lyman D Mann
BIRTH           1934
DEATH           27 Apr 1993 (aged 58–59)
BURIAL          Calumet Park Cemetery, Merrillville, Lake County, Indiana, USA
PLOT            Sec 19
MEMORIAL ID     195371021

This information and the picture below were obtained from: https://www.findagrave.com/memorial/195371021/lyman-d-mann. The picture above was obtained from the 1952 HHS Memories yearbook, made available by the Lake County Public Library, at: https://archive.org/details/HOHS1952Images/.