141 - Alexander von HumboldtRR Auction
German naturalist and explorer (1769–1859) who wrote Kosmos, a massive five-volume study which attempted to unify the various branches of man's ...
No Online Bidding For This LotEstimate : 400.00 - 600.00
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142 - George GamowRR Auction
Influential Russian-born theoretical physicist and cosmologist (1904–1968) who was a leading advocate of the 'Big Bang' theory. Extremely ra...
No Online Bidding For This LotEstimate : 400.00 - 600.00
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143 - Carl LinnaeusRR Auction
Exceptional LS in Swedish, nine pages on five sheets, 8 x 12.75, August 19, 1743. Untranslated letter written on behalf of the "Consistorium Ac...
No Online Bidding For This LotEstimate : 4,000.00 - 6,000.00
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144 - Samuel F. B. MorseRR Auction
American artist and inventor (1791–1872) whose development of the telegraph revolutionized worldwide communication. ALS signed “Sam'l F. B. Mors...
No Online Bidding For This LotEstimate : 1,000.00 - 1,500.00
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145 - Jan Evangelista PurkyneRR Auction
Czech anatomist and physiologist (1787–1869) who was one of the most well-known scientists of his time. Rare manuscript DS, in Czech, signed “Purkyne,
No Online Bidding For This LotEstimate : 2,000.00 - 2,500.00
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146 - Dmitri MendeleevRR Auction
Russian chemist and inventor (1834–1907) who formulated the Periodic Law and created a predictive version of the periodic table of elements. Remarkabl
No Online Bidding For This LotEstimate : 50,000.00 - 60,000.00
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147 - William RamsayRR Auction
Scottish chemist (1852-1916) who discovered the noble gases and won the 1904 Nobel Prize in Chemistry. ALS, one page both sides, 4.5 x 7, Beechcroft,
No Online Bidding For This LotEstimate : 300.00 - 500.00
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148 - Tadeusz ReichsteinRR Auction
Polish-Swiss chemist (1897–1996) awarded the Nobel Prize in Physiology or Medicine in 1950 for his work on hormones of the adrenal cortex which culmin
No Online Bidding For This LotEstimate : 500.00 - 700.00
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149 - Nikolai VavilovRR Auction
Soviet agronomist, botanist and geneticist best known for having identified the centers of origin of cultivated plants (1887–1943). Rare ALS in Russia
No Online Bidding For This LotEstimate : 4,000.00 - 6,000.00
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150 - Sigmund FreudRR Auction
Fabulous thank-you card sent following his 80th birthday, 6 x 4.75, May 1936, signed in fountain pen, "Freud." The printed text, in German...
No Online Bidding For This LotEstimate : 3,000.00 - 5,000.00
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