Austrian ethologist (1886-1982) who received the Nobel Prize in Physiology or Medicine in 1973, along with Nikolaas Tinbergen and Konrad Lorenz, for their observations of animal behavioral patterns. Two untranslated items: an unsigned handwritten scientific manuscript by Frisch, headed "Introduction," one page both sides, 8.25 x 11.75, no date; and an ALS signed "K. Frisch," one page, 8.25 x 11.75, personal letterhead, March 24, 1982. In overall fine condition.
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