The Zeta Chapter of AGS was colonized officially October 1, 1970, at Western Illinois University, Macomb, Illinois. On April 3, 1971, during an off-year conclave, members of the other chapters met at Macomb to formally initiate 21 men into active membership in the Zeta Chapter. Also initiated was Gerry Posler, faculty member who served with Jack Riley, Beta alumnus, as advisor to the new chapter.