INFORMATION FROM FIND-A-GRAVE WEBSITE:

Robert Mundell
BIRTH          16 Sep 1918, Hobart, Lake County, Indiana, USA
DEATH          2 Mar 1974 (aged 55), Benton Harbor, Berrien County, Michigan, USA
BURIAL         Riverview Cemetery, Saint Joseph, Berrien County, Michigan, USA
MEMORIAL ID    127408521

This information and the pictures below were obtained from: https://www.findagrave.com/memorial/127408521/robert-mundell.