Irvin LaDelle Heideman, 90, of Pensacola, passed away Sunday, February 21, 2010.

Mr. Heideman was born February 4, 1920 in Winfred, SD to Alice Myrtle Walker and Grover Earl Heideman. His early years were spent on a farm near Colton, SD. After high school he went several years to South Dakota State University in Brookings, SD.

His early work experience as a Mechanical Engineer was at Akron and Barberton, OH with Babcock and Wilcox. After he was drafted, he joined the 738th Field Artillery Battalion with Patton's 3rd Army and went through Europe ending in Susice, Czechoslovakia. After the war he was involved in a prisoner of war camp in Metz and later college in Dijon, France coming home in 1946.

He worked in Cleveland, OH with Johnston & Jennings also in New York City. Pettibone Corporation in Chicago purchased his company in 1951. In Chicago he met his wife, Dorothy Doty, and they were married in 1952. The couple lived in Oak Park and Glen Ellyn, IL before moving to Pensacola in 1986.

A son, Karl Frederick, his parents, and a sister, Delila Caselli, preceded him in death.

He is survived by his wife; a son, Kurt (Sarah); his sister, Beryl Lee; brothers, George, Tom, Dale; his daughter-in-law, Walta; and four grandchildren, Kevin, Rachel, Mark, and Kari.

A Memorial Service was held Saturday, March 6, 2010 at First Presbyterian Church, with Dr. Randon Jackson officiating.

In lieu of flowers, memorials may be made to the First Presbyterian Church, 33 East Gregory St., Pensacola, FL 32502; to the Alzheimer's Family Services, 1901 N. Palafox, Pensacola, FL 32501; or to the charity of your choice.