Delbert W. Torkelson, 83, Claremore, Okla., formerly of Augusta, retired aeronautical engineer with Boeing, died on April 24, 2008.

A memorial will be held on May 4, at Claremore.

His survivors include: sons, David R. (Robin) of Catoosa, Okla., Raymond D. (Liana) of Augusta, and Mark A. (Tonya) of Cherryvale; daughters, Janna Glasgow of Wamego,  Margaret (Brad) Arnold and Nancy (Gary) Rawlings, all of Augusta; daughter-in-law, Barbara Torkelson of Claremore; 22 grandchildren and 18 great-grandchildren.

He was preceded in death by his wife, Phyllis Jo Torkelson and son, Phillip L. Torkelson.

Memorials to American Cancer Society for Gleoblastoma Multiform Research in honor of his son, Phillip L. Torkelson.