Science & Discovery
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Astronomer CLYDE TOMBAUGH Signed Pluto Card
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Astronomer LUBOS KOHOUTEK Signed First Day Issue Post Card
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Astronomers ALLAN SANDAGE and CLYDE TOMBAUGH Individually Signed Index Card and First Day Envelope
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Chemist, Noelist LINUS PAULING – Card Signed
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Cosmonaut ANDRIYAN NIKOLAYEV Signed Envelope
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Explorer VIVIAN FUCHS Signed Index Card
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Heart Surgeon MICHAEL DeBAKEY – Photo Signed
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NASA Administrator and 14th President of R.P.I. GEORGE LOW Signed Letter
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Nobel Award Winning Scientist HANS BETHE Signed First Day Issue Envelope
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Nobel Prize Winner EDWIN McMILLAN Signed Index Card
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Nobel Prize Winner SIR JOHN ECCLES Signed Note and Envelope
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Nobel Prize Winners COOPER, GLASHOW, SCHRIEFFER and WILSON Individually Signed Items
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Nobel Winner D. CARLETON GAJDUSEK Signed Index Card
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Pioneering Heart Surgeon MICHAEL E DeBAKEY – Typed Ltr Signed
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Renowned Scientist ROBERT GALLO * Two Signed Items*
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Scientist ROBERT GALLO * Two Signed Items*
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Telephone Inventor ALEXANDER GRAHAM BELL – Sheet Music from His Collection, Signed
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