INFORMATION FROM FIND-A-GRAVE WEBSITE:

Robert Grudzinski
Birth          1 Dec 1946, Gary, Lake County, Indiana, USA
Death          24 Oct 1988 (aged 41), Ann Arbor, Washtenaw County, Michigan, USA
Burial         Calvary Cemetery, Portage, Porter County, Indiana, USA
Plot           Kal-600
Memorial ID    257228751

This information and the pictures below were obtained from: https://www.findagrave.com/memorial/257228751/robert-grudzinski. The picture above was obtained from the 1965 HHS Memories yearbook, made available by the Lake County Public Library, at: https://archive.org/details/HOHS1965mages/.