american environmentalists
Frank W. Preston
1886 births | 1989 deaths | american environmentalists | english immigrants to the united states | people from pennsylvania Frank W. Preston (1886-1989) an English-American engineer, ecologist, and conservationist. He helped found the Western Pennsylvania Conservancy and worked to reclaim the land that is now Moraine State Park in Butler County, Pennsylvania, in the United States. Preston was a leading expert in glass technology. He studied birds throughout his life and published papers on the shapes and pigmentation of birds eggs, the distribution of the heights of their nests and their migration patterns. Preston also wrote three major papers on the mathematical characteristics of ecologlical rarity and commonness.

