Leslie Rensselaer Holdridge
September 29, 1907
|Died||June 19, 1999 (aged 91)|
|Alma mater||H. B.S. in Forestry, University of Maine, 1931, postgrad., 1931-32|
M.S. in Ecology, University of Michigan, 1946, Ph.D., 1947.
|Institutions||Costa Rica Institute of Technology|
Leslie Ransselaer Holdridge (September 29, 1907 – June 19, 1999) was an American botanist and climatologist. He was the father of composer Lee Holdridge as well as the father of Leslie A. Holdridge, Lorena Holdridge, Marbella Holdridge, Marly Holdridge, Marisela Holdridge, Thania Holdridge, John Holdridge, Ida Holdridge, Reuseland Holdridge, Leythy J. Holdridge and youngest son Gregory Holdridge whom he fathered with Costa Rican Clara Luz Melendez.
Main article: Holdridge life zones
In his famous 1947 paper, he defined "life zones" using three indicators:
Holdridge participated in the Cinchona Missions, a United States effort to search for natural sources of quinine during World War II.