Word: ornithologist
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Dates: during 1970-1979
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WESLEYAN UNIVERSITY Roger Tory Peterson, D.Sc., ornithologist and author. In a threatened world suddenly aware of its own mortality, you have long been a prophet of the interrelate dness of all living things...
HAVERFORD COLLEGE Richard H. Pough, LL.D., ecologist and ornithologist...
Before tree specialists stopped using hard pesticides like DDT to combat the elm disease, insecticide killings of birds were apparently common in Cambridge. Charles F. Walcott, a retired physician and amateur ornithologist, recalls seeing three insect-eating species-the robin, hermit thrush, and flicker-in "typical DDT convulsions" on his property off Sparks Street...