Duncan Riley Vanderwall, 70, passed away February 2, 2023 at Sacred Heart Medical Center in Spokane, WA.  Duncan was the son of P. Dean and Ruth Vanderwall, born on June 20, 1952 in Lewiston, ID.  Duncan was a graduate and former Engineer at Washington State University.  Duncan is survived by his son Jake Vanderwall,sister Annette Klei, his significant other Deborah Keener; two nieces, one nephew, six great nieces and nephews, three grandchildren and one great granddaughter.  No public services are planned.  Corbeill Funeral Home of Pullman, WA has been entrusted with arrangements.