William Jacob Robbins (1890–1978) was an American botanist and physiologist.

He was director of the New York Botanical Garden from 1937 to 1957.

He was a member of the National Academy of Sciences and the American Philosophical Society, serving as president of the latter from 1956 to 1959.

[3] He was the father of virologist and Nobel Prize Laureate Frederick Chapman Robbins.

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