RR Auction: Fine Autographs and Artifacts

Brilliant American physicist (1904-1967) who directed the Institute for Advanced Study in Princeton and who spearheaded the Manhattan Project, leading

ALS in French, signed “L. Pasteur,” one page, 7.75 x 9.75, September 24, 1874. Letter to an unidentified dean and colleague, in full (translated): &...

Nobel Prize-winning Austrian theoretical physicist (1887–1961) who achieved fame for his contributions to quantum mechanics, known especially for form

German theoretical physicist (1868–1951) who pioneered developments in atomic and quantum physics. ALS in German, signed "A. Sommerfeld," ...

German mathematician and theoretical physicist (1885–1955) and an associate of Einstein at Zurich and Princeton. Scarce ALS in German, signed “H. Weyl

Literary theorist and philosopher (1915–1980) whose ideas explored a diverse range of subjects, including structuralism, semiotics, social theory, and

French polymath (1717–1783) known for his contributions in the realms of mathematics, physics, philosophy, and music theory; he served as co-editor of

TLS in German, signed “Freud,” one page, 6 x 8.75, personal letterhead, September 10, 1924. Letter to a "Dear Colleague," in part (transla...

Dutch jurist and philosopher (1583–1645) who laid the foundations for international law with his book De jure belli ac pacis, and played a key role in

German psychiatrist and philosopher (1883–1969) who attempted to develop an innovative philosophical system. Two ALSs, totaling three pages on two she