Alpha Tau Delta (ΑΤΔ) is a professional fraternity for students and industry professionals in the nursing fields. It was founded in 1921 at University of California, Berkeley as Alpha Tau.


Nursing students at University of California at Berkeley after holding conferences with the Dean, the faculty of the University, and the Director of the School of Nursing founded a Nurses’ Sorority on February 15, 1921 on the Berkeley campus.[3][4] They decided to name the organization Alpha Tau, and the first chapter was named Alpha–the Lady of the Lamp, after Florence Nightingale.

Soon after, the organizing committee decided that the sorority should be designated as a fraternity since it was professional in nature. The name was changed to Alpha Tau Delta in 1924. The Greek letter Delta was added when it was learned that a male fraternity had prior claim to the name Alpha Tau. Alpha Tau Delta and its insignia have been registered in the United States Patent Office. Alpha Tau Delta became the first nursing fraternity in the United States.

Invitations were then sent to eligible collegiate Schools of Nursing throughout the states to join Alpha Tau Delta. The second chapter to be chartered was Beta, at the University of Minnesota in 1927, followed by Gamma at the University of California of Los Angeles in 1928. Since new chapters were being founded on different campuses in different cities, a central office was established at Berkeley.

In the early 1970s, Alpha Tau Delta opened membership to male nursing students, and the Articles of Incorporation of Alpha Tau Delta were changed to reflect this decision. In 1978 Alpha Tau became a charter member of the Professional Fraternity Association. This association was the consolidation of the Professional Panhellenic Association founded in 1925 and the Professional Interfraternity Conference founded in 1928.

In 1992, the national board eliminated pledging and instead initiated a membership orientation period for prospective members.

The first national publication, the T.P.R. of ATD, was published in 1931. Later the name was changed to Cap’tions of ALPHA TAU DELTA and was changed to The Pulse in 2000.

ATD’s first national convention was held in 1932, in conjunction with the American Nurses Association Biennial Convention with six chapters participating. The fraternity has met in national conventions each biennium from 1931 to the present time, except in 1944, during World War II or under exceptional circumstances.


Chapters include:[2][5]

Collegiate chapters Founding institution Founding date Years active
Alpha * University of California, Berkeley February 15, 1921 1921-1946
Beta * University of Minnesota 1927 1927-1961+
Gamma University of California, Los Angeles 1928 1928-
Delta * University of Idaho 1928 1928-1936
Zeta * University of Southern California 1931 1931-1956
Eta * Oregon Health & Science University 1932 1932-?
Delta (2) * University of Washington 1936 1936-?
Theta Duquesne University 1938 1938-
Iota * Marquette University 1938 1938-?
Kappa * College of St. Scholastica 1939 1939-?
Lambda * Montana State University 1940 1940-?
Mu * University of Pittsburgh 1945 1945-?
Nu * Seattle University 1945 1945-1965
Epsilon * Ohio State University 1953 1953-?
Omicron * University of Utah 1957 1957-1965
Xi * Loyola University Chicago 1957 1957-?
Rho * University of Illinois at Chicago 1958 1958-?
Sigma * University of Wisconsin–Madison 1959 1959-?
Tau * University of Portland 1961 1961-?
Upsilon * Illinois Wesleyan University 1965 1965-?
Phi California State University, Los Angeles 1965 1965-
Chi * University of Evansville 1966 1966-?
Omega * California State University, Long Beach 1966 1966-?
Alpha Gamma * University of Wisconsin–Milwaukee 1976 1976-?
Alpha Epsilon University of California, Irvine May 4, 2011 2011-
Alpha Theta Mount St. Mary's University
Alpha Iota Millikin University
Alpha Kappa Gannon University
Alpha Lambda Indiana University of Pennsylvania
Alpha Omicron University of Rhode Island
Alpha Rho San Jose State University October 18, 2014


  1. ^ Alpha Delta Tau - Traditions
  2. ^ a b Anson, Jack L.; Marchenasi, Robert F., eds. (1991) [1879]. Baird's Manual of American Fraternities (20th ed.). Indianapolis, IN: Baird's Manual Foundation, Inc. p. V-10–11. ISBN 978-0963715906. 
  3. ^ Alpha Delta Tau - History
  4. ^ White Mortar Board [yearbook]. University of California Training School for Nurses. 1926. pp. 46–. 
  5. ^ Alpha Delta Tau - Chapters

External links