Phi Delta Chi (ΦΔΧ or Phi Dex) is a coed. professional fraternity, founded on 2 November 1883 at the University of Michigan in Ann Arbor, Michigan by eleven men, under the sponsorship of Dean Albert B. Prescott. The fraternity was formed to advance the science of pharmacy and its allied interests, and to foster and promote a fraternal spirit among its brothers, now both male and female.