The Alpha Alpha Chapter (#25) was installed at University of Colorado on May 12, 1950. Lois Duncan from the Gamma Chapter served as the installing officer Charter members include: Elsie Bixby, Nola Bottger, Mildred Dillman, Dorothy Haeske, Alice Hovlicek, Mary Kurtzer, Alice Peterson, Betty Scott, Enid Vondy, Patricia Whittaker, Jacqueline Waddle, Marguerite King, Ralph King.