Robert F. Mueller, WWII Navy Veteran, age 91, passed away peacefully June 7, 2018.  Beloved husband of the late Emily K.; loving father to Deborah (Peter Diaz), Diana (Tim) Warren, and Dawn (Scott) Dubow; dear grandfather to Diana Bostic, Mia, and Dana; great-grandfather to Zane and Aidan; fond brother of the late Darline Brown; uncle to many; cherished companion to Dorrian Buch; special friend to Chris, Sandy, Vicky, Terri, and Susanna.  Visitation Tuesday, June 12, 2018 from 4:00 p.m.- 9:00 p.m. at Olson Burke/Sullivan Funeral & Cremation Center, 6471 N. Northwest Highway, Chicago, IL 60631.  Funeral service Wednesday, June 13, 2018 at 11:00 a.m. at the funeral home.  Interment Rosehill Cemetery, Chicago, IL.  For more information, please visit www.obsfuneralandcremation.com or call 773-774-3333.