William M. Mann Retires as NZP Director

Usage Conditions Apply
The Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact photos@si.edu.

Narrow Your Results


Filter Your Results

Smithsonian Secretaries Information

Close Browse records and papers of the Smithsonian Secretaries, from 1846 until today. Pre-set filters help narrow searches by individuals who have held that office.

Expeditions Information

Close Browse records and papers documenting scientific and collecting expeditions either affiliated with the Smithsonian, or with which Smithsonian researchers participated. Pre-set filters help narrow searches by geographic regions predominantly represented in expedition records.

Professional Societies Information

Close Browse records of professional societies closely associated with the Smithsonian, that focus on areas of scientific research and museum studies. Pre-set filters help narrow searches by major topics and disciplines.


William M. Mann, Director of the National Zoological Park since 1925, retires at the statutory retirement age of 70. He is replaced by Theodore H. Reed, chief veterinarian of the Zoo since 1955, is named Acting Director on November 1, 1956, a position in which he serves until March 12, 1958, when he is appointed Director.


  • Mann, William M. 1886-1960
  • Reed, Theodore H
  • National Zoological Park (U.S.)


Chronology of Smithsonian History


  • Mergen, Alexa. From Bison to Biopark: 100 Years of the National Zoo. Washington, D.C.: Friends of the National Zoo, 1989.
  • Annual Report of the Smithsonian Institution for the year 1957, p. 1, 125

Contact information

Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu


October 31, 1956


  • Directors
  • Smithsonian Institution
  • Personnel management
  • Employees
  • Retirement
  • Smithsonian Institution--Employees

Full Record

View Full Record