David W. Ruska, age 53, passed away June 5, 2013 in Greeley. CO. He was the beloved father of Zachariah. Loving son of Dolores and Norman. Dear brother of Diana (Matthew) Bender and Nancy (Bruce) Allan. Also survived by many nephews. Memorial visitation will be held on Saturday from 11:00 a.m. until the time of the Memorial Service at 3:00 p.m. at Kaul Funeral Home, 27830 Gratiot Ave., Roseville. In lieu of flowers, memorials are appreciated to the Van Elslander Neuroscience Center of Excellence. Please share a memory of David at his online Guest Book.