Summary: “This is an age of do-it-first,” said Silas Christofferson, and proceeded to launch his spindly kite-like “aeroplane” from the roof of a downtown hotel — making aviation history in the heart of Oregon's biggest town. (Portland, Multnomah County; 1910s) (For text and pictures, see https://offbeatoregon.com/1408e.302.silas-christofferson-portland-hero-aviator.html)
