Ptak, John F.

Biographical notes:

John Ptak was the proprietor of J. F. Ptak Books, Maps, and Prints in Georgetown, Washington, D.C. The store specialized in used, rare, and antiquarian manuscripts, reprints, journals, maps, and prints in mathematics and the sciences.

From the guide to the John Ptak Computer Science Book Collection, 1891-1987 (bulk 1940-1965), (Special Collections Research Center)

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