Greengard is a surname. Notable people with the surname include:
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Irene Greengard (1924–2013), American actress and writer under the name Chris Chase
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Leslie Greengard (born 1957), American mathematician
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Mig Greengard (born 1969), American chess author and journalist
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Paul Greengard (1925–2019), American molecular neuroscientist, shared the 2000 Nobel Prize for Physiology or Medicine
See also
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Pearl Meister Greengard Prize
