Robert “Bob” Knoertzer, 66, of Elk River, died Thursday, Sept. 29, 2011, after a brief illness. He was a Vietnam veteran, longtime motorcycle enthusiast, fisherman and “beloved papa,” according to his family. His memorial service will be Tuesday, Oct. 4 at 11 a.m. at Central Lutheran Church in Elk River. Family and friends may gather Monday, Oct. 3, from 5 to 8 p.m. at Dare’s Funeral Home (763-441-1212) in Elk River. Interment will be private. Mr. Knoertzer is survived by his wife of 40 years, Linda; daughter, Lori (Jay) Hommes; granddaughter, Katie; son, David (Bev Becker); sister, Dianne (Joe) Anderla and other family members. He was preceded in death by parents, Thiel and Agnes Knoertzer.