William Healey Dall
American scientist
Born on: August 21, 1845Died on: March 27, 1927
Aged: 81 years 218 days (979 months)
Birth Sign: Virgo
William Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska.
He described many mollusks of the Pacific Northwest of North America, and was for many years America's preeminent authority on living and fossil mollusks.
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