RR Auction: Fine Autographs and Artifacts featuring Presidents and Animation

Italian anatomist (1752–1832) who wrote several important treatises on a wide range of anatomical and medical subjects. ALS in Italian, signed “A. Sca

Scots-Irish mathematical physicist and engineer (1824–1907) who did important work at the University of Glasgow in the mathematical analysis of electr

Russian physicist (1857-1935) who pioneered the study of rocketry and cosmonautics and whose discoveries were of crucial importance in the development

Segment of the first transatlantic telegraph cable from 1858, measuring 3.5? long, made into a souvenir and sold by Tiffany & Co. The cable is w...

German physicist (1864-1928) who received the Nobel Prize in Physics in 1911 for his discoveries related to his displacement law concerning the radiat

French orientalist, sinologist, and Turkologist (1721–1800) remembered for his five-volume 'Histoire générale des Huns, des Turcs, des...

Russian geographer, zoologist, and political theorist (1842–1921) best known for his advocacy of anarchist communism. ALS signed "P. Kropotkin,...

One of the leading Marxist political theorists and economic reform advocates during the period of the Russian Revolution (1871–1919). ALS in German, s

Extremely rare ALS in French, signed “Ch. Marx,” one page, 5 x 8, August 24, [1849]. Letter bidding farewell to French journalist and politician Ferdi

Important Swiss-French philosopher and writer (1712-1778) who held that the individual is essentially good but usually corrupted by society. Rare auto