KnowraDonald Wills Douglas Sr.Linked fromLinked fromThe 4 pages that link to Donald Wills Douglas Sr., each with the reason it gives.All 4Related 2Compared with 2Howard HughesCompared with: Douglas built an aircraft business through production scale, contrasting with Hughes’s secretive, ambitious projects.William E. BoeingCompared with: Douglas became Boeing’s principal commercial-aircraft rival during the industry’s formative decades.