Joseph Rothrock was an American botanist, physician, and pioneering environmentalist widely recognized as the Father of Forestry in Pennsylvania. He spearheaded the land acquisition and reforestation efforts that established Pennsylvania's modern state forest system.
November 14, 2026
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Terry Diener
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Additional Credits:
Credits: Penn State University, Cradle of Conservation (Mount Alto); Commonwealth of Pennsylvania, Environmental Resources - Record Groups 1-6; Commonwealth of Pennsylvania, Rothrock State Forest; The legacy of Penn's woods, 1895 to 1995 : a history of the Pennsylvania Bureau of Forestry, Commonwealth of Pennsylvania, Pennsylvania Historical and Museum Commission; Photo: Papers of Joseph Trimball Rothrock, MD / National Archives
