Truby, John "Jack", 87, died October 25, 2011. He graduated from West Point and earned a PhD in International Relations. A decorated Army Colonel, Jack served two tours in Vietnam. Jack taught at the U.S. Army War College and at OLLI at DU. Jack worked in disaster preparedness for the State of Colorado, helping communities devastated by the Big Thompson flood and by tornadoes on the plains. He loved swimming and set world speed records into his 80s. His good nature will be missed by his wife of 62 years, Amy, sons Tim and John, daughter Beth, son-in-law Rick Armstrong and his loving grandchildren Katherine and John Armstrong. A memorial service will be held Wednesday, November 16 at 1:00 p.m. at the Central Christian Church at 3690 Cherry Creek South Drive (at Garfield).