William Blackburne, NZP, Retires
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PrintWilliam H. Blackburne, the first headkeeper at the National Zoological Park, retires at the age of 87 after 52 years with the Zoo.
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.
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
December 31, 1943