Paul Polak, Entrepreneur for Those Living on $2 a Day, Dies at 86 by BY DONALD G. MCNEIL JR.

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A former psychiatrist and real-estate speculator turned to helping the poor make money by selling foot pumps, charcoal and clean water

Published: October 20, 2019 at 08:11PM

from NYT Health https://ift.tt/2J7jr7E