Scientists and Inventors

175. Niels Bohr Signed Photograph. Danish physicist (1885–1962) who was awarded the 1922 Nobel Prize in Physics for his theory of atomic structure. Vintage matte-finish 3 x 4.75 portrait of Bohr, signed in the lower border in Danish in fountain pen (translated), “Niels Bohr, Copenhagen, March 1959.” In fine condition, with mounting remnants to reverse.

Starting Bid $200

176. Paul Broca Autograph Letter Signed. French physician and anthropologist (1824-1880) who discovered the seat of motor control of speech in the brain. ALS in French, signed “Broca,” one page, 5.5 x 8.5, Societe d’Anthropologie de Paris letterhead, January 17, 1867. An untranslated handwritten letter to a colleague mentioning George Folsom and George Squier of the American Ethnological Society in New York. In very good to fine condition, with creasing to the upper right corner, and scattered staining and light foxing.

Starting Bid $200