RR Auction: Fine Autographs and Artifacts featuring John F. Kennedy

American steel magnate (1862-1939) whose Bethlehem Steel became the second largest steel maker in the United States, and one of the most important hea

Influential French physicist (1775–1836) who pioneered the discovery and understanding of electromagnetism; a unit of electric current was named in hi

ALS signed “Jno. Bard,” three pages, 7.25 x 9, May 27, 1765. Letter to "Mr. Samuel Bard, Student in Physick at the University of Edinburgh,&quo...

French anatomist and pathologist (1771–1802) known as the father of histology, who is respected as one of the greatest scientists in the area of medic

Extremely desirable ink signature, "Charles Darwin, from your well-wisher, April 15, 1882,” on an off-white 5 x 2.75 slip. In fine condition, w...

Crisp matte-finish 3.25 x 5.25 postcard photo of the pioneering inventor by E. Bieber of Hamburg, neatly signed in fountain pen, "Thos. A. Edis...

German scientist and pioneer of chemotherapy (1854–1915) who was co-awarded the Nobel Prize for Medicine with Ilya Ilyich Mechnikov in 1908. ALS in Ge

Unusual handwritten manuscript fragment in German, unsigned, penned by Albert Einstein in the corner of an envelope panel addressed to him at Princeto

Extensive archive of the papers of Wsevolode Grunberg, an aeronautical engineer who developed an important design for the hydrofoil, highlighted by el

ALS in German, signed “A. E.,” one page, 8.5 x 11, no date. Letter to mathematician Ernst Gabor Straus, containing three calculation formulas for a ce