Alpha Gamma Sigma

Alpha Gamma Sigma - University of Missouri - Beta Chapter Alpha Gamma Sigma - University of Missouri - Beta Chapter- One of the two founding chapters of Ag Sigs, founded in 1923. Includes history, member list, photographs, and members-on… Alpha Gamma Sigma Alpha Gamma Sigma- Founded at the University of Missouri in 1923, Ag Sigs became a national fraternity by merging with Tau Gamma Phi in 1931.