Dr. Eyvind Thor, University of Tennessee at Knoxville (IMAGE)

University of Tennessee at Knoxville

Dr. Eyvind Thor, University of Tennessee at Knoxville

Caption

UT's first Tennessee Tree Improvement Program Director, Dr. Eyvind Thor, sought blight resistance in American chestnuts, but the task ultimately failed. The tools of science that made this year's release possible hadn't been established yet.

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Photo by Frank Berggren

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