Dean D. Christen, 77, died Thursday, Dec. 13, 2012, at his home in Rochester from the effects of Parkinson's disease. A memorial service is at 11 a.m. Wednesday, Dec. 19, at Our Savior's Lutheran Church, 2124 Viola Road NE, with Rev. Fred Rengstorf officiating. Visitation is at Ranfranz and Vine Funeral Homes Tuesday, Dec. 18, between 4 and 7 p.m.; and also one hour prior to the service at the church.