David Warris Acaster was born November 11, 1919 in Winnipeg, Manitoba as the fifth son and ninth child of John and Florence Acaster of Brokenhead, Manitoba. Acaster had sisters Fanny Madill, Margaret Cubbon, Jessie Horrell, Catherine Puff; and brothers George, Arthur, Walter, Douglas and Fred. His family moved to a farm near North Battleford in 1922 where after attending Mount Hope School and completing his Grade 11 by correspondence, Acaster attended Saskatoon Technical School to pursue machine shop and welding. Thereafter, he travelled to Fort William for work at Canada Car Foundry and then in November 1941 enlisted in the Royal Canadian Force. Following training, he embarked for England in the fall of 1942 where he was attached to 428 "Ghost Squadron" and posted at Middleton St. George as part of No. 6 Bomber Command. He returned to Canada in 1945 and was discharged from the Air Force that fall. Upon his return Acaster completed Grade 12 at the Canadian Vocational Training School in Saskatoon and entered the College of Engineering at the University of Saskatchewan. Acaster subsequently became employed in various positions in Lloydminster, Regina, Victoria, Winnipeg, and Vancouver, but returned to North Battleford in 1958. In North Battleford, he was a car salesperson for a local dealership until 1969 and then went to work for the Saskatchewan Hospital as an accounting clerk and then payroll clerk until his retirement in 1984.
In his retirement, Acaster volunteered for Meals On Wheels, enjoyed gardening, camping and travel, carpentry and photography, as well as working at the home farmstead. He also worked on a local history book and published two of his own books. Acaster died in North Battleford on January 29, 2018.