RR Auction: Fine Autographs & Artifacts

Autograph notes in French, signed three times, twice “L. Pasteur” and once “L. P.,” penned in the margins of a letter written to him by Henri de Marli

ANS in French, unsigned, one page on his 4 x 2 personal calling card, no date. Untranslated note of thanks for a letter received. In fine condition. A

Nobel Prize–winning German physicist (1858–1947) who pioneered the understanding of quantum theory. Fountain pen signature, “Dr. Max Planck,” on an of

Nobel Prize–winning German physicist (1858–1947) who pioneered the understanding of quantum theory. ALS in German, one page on the reverse of a 5.5 x

French mathematician, physicist, and philosopher of science (1854–1912) who famously formulated the ‘Poincare Conjecture,’ which went unsolved for nea

Auto engineer and inventor (1875–1951) who designed Volkswagen and Porsche automobiles. AQS in German, on a 6.75 x 7 off-white guest book page, Porsch

New Zealand-born physicist and chemist (1871–1937) who discovered the concept of radioactive half-life; he was awarded the Nobel Prize in Chemistry in

Italian anatomist (1752–1832) who wrote several important treatises on a wide range of anatomical and medical subjects. Scarce ALS in Italian, one pag

German surgeon (1875–1951) who developed several groundbreaking surgical methods and medical devices, also known for his ambiguous political positions

Dutch physical and organic chemist (1852–1911) and the first winner of the 1901 Nobel Prize in Chemistry. Personal calling card imprinted with van ‘t

Italian physicist (1745–1827) best known for his epochal investigations into the nature and uses of electricity, leading him to invent the battery. Th

TLS in German, signed “Freud,” one page both sides on a 5.25 x 3.25 personal stationery card, May 23, 1927. Letter of condolences to his friend, Arthu

German philosopher, theologian, poet, and literary critic (1744–1803) associated with the periods of Enlightenment, Sturm und Drang, and Weimar Classi

ALS signed “J. M. Keynes,” one page both sides, 5 x 8, personal letterhead, September 10, 1937. Letter to Rosenbaum regarding books he would like to o

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

Leading 19th-century economist considered the original European unity theorist, best known for developing the ‘National System’ (1789–1846). ALS in Ge

French anarchist, school teacher, and medical worker (1830–1905) known for her radical activism and admired for her association with the Paris Commune

Desirable ALS in French, one page both sides, 5.25 x 8, no date. Letter to an unidentified recipient concerning an election outcome, in part (translat

Immensely influential British mathematician, cryptanalyst, and computer scientist (1912–1954) considered the father of theoretical computer science an

Extremely influential social theorist (1864–1920) often cited with Emile Durkheim and Karl Marx as a founding architect of sociology. ALS in German, o