Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Kaplan, Irving (1912-1997) [Draft of the preliminary statement of the Association of Manhattan District Scientists]

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Gilder Lehrman Collection #: GLC03152.03 Author/Creator: Kaplan, Irving (1912-1997) Place Written: New York, New York Type: Manuscript document Date: circa August 1945 Pagination: 5 p ; 27.7 x 21.5 cm. Order a Copy

Handwritten draft of GLC03152.02. Contains several inserted typed paragraphs. The remainder of the declaration is written in pencil.

Kaplan, Irving, 1912-1997
Urey, Harold Clayton, 1893-1981

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