INFORMATION FROM FIND-A-GRAVE WEBSITE:

Isadore Gostomelsky
Birth          27 May 1911
Death          18 Oct 1927 (aged 16)
Burial         Waldheim Cemetery Co., Forest Park, Cook County, Illinois, USA
Memorial ID    167010954

This information and the pictures below were obtained from: https://www.findagrave.com/memorial/167010954/isadore-gostomelsky. The picture above was obtained from the 1929 HHS Aurora yearbook (when Irving was a sophomore), made available by the Lake County Public Library, at: https://archive.org/details/HOHS1929Images/.