The Gamma chapter (#3) was installed at the University of Washington on December 16, 1920. Raymond Shannon and William Scroggs served as the installing officers. Charter members include: Albert Adams, C. S. Baker, Edwin Benson, W. K. Berford, Newdall Clifford, I. Walter Hawkins, Jerald Heacock, Joseph Hicks, Kenneth Johnson, John Mickelson, E. Glen Morse, W. A. Nelson, Merrit Newdall, Peter Odegard, Thomas O’Neil, Col. Charles Phillips, Freeman Scharr, Robert Somerville, Robert Stewart, and Everett Wood.