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Photographer

Thomas D Mangelsen

Mangelsen (born January 6, 1946) is an American nature and wildlife photographer and conservationist. He is most famous for his photography of wildlife in the Greater Yellowstone Ecosystem, as he has lived inside the zone in Jackson, Wyoming, for over 40 years. In 2015, he and nature author Todd Wilkinson created a book, The Grizzlies of Pilgrim Creek, featuring a grizzly bear known as Grizzly 399, named so due to her research number.

Thomas D Mangelsen

Name
Thomas D.
Born
6 January 1946
Birthplace
Grand Island, Nebraska, US
Field
Photography
Nationality
United States
Occupation
photographer · conservationist
Education
University of Nebraska–Lincoln · Colorado State University · Doane University
Honours
Ansel Adams Award for Conservation Photography
Languages
English

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Mangelsen (born January 6, 1946) is an American nature and wildlife photographer and conservationist. He is most famous for his photography of wildlife in the Greater Yellowstone Ecosystem, as he has lived inside the zone in Jackson, Wyoming, for over 40 years. In 2015, he and nature author Todd Wilkinson created a book, The Grizzlies of Pilgrim Creek, featuring a grizzly bear known as Grizzly 399, named so due to her research number.

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wikidata · Q61594821 · wikipedia · Thomas D. Mangelsen

In this article

  1. 01Biography
  2. 02Visual art and other activities
  3. 03Archives and collections
  4. 04Honours and memberships
  5. 05Notes, references and evidence

The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.

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