In 1920 the chapter was initially chartered as a chapter of Phi Sigma Delta National Fraternity. In 1969 Phi Sigma Delta merged with Zeta Beta Tau. From that time forward the chapter has been known as the Iota Chapter of Zeta Beta Tau. Go back to memory lane and take a look at the composite, group and officer photos of Phi Sigma Delta and Zeta Beta Tau dating back to 1941.