RR Auction: Fine Autographs and Artifacts

British mathematician (1847–1927) who served as professor of mathematics at the Royal Military Academy at Woolwich, London, and was one of the world...

German chemist (1879–1968) who won the 1944 Nobel Prize for the discovery of nuclear fission. Group of four untranslated letters in German by Hahn, co

British mathematician, astronomer, and inventor (1792-1871) known for his discoveries related to the moons of Saturn and Uranus and for his pioneering

Geologist (1797–1875) referred to as the 'father of modern geology,' who was a close and influential friend of Charles Darwin. ALS, one page...

American paleontologist, educator, and conservationist (1869–1945) best known for his taxonomy of vertebrate fossils at the La Brea Tar Pits in Los An

English biologist and paleontologist (1804-1892) best known for interpreting fossils and coining the term 'dinosaur.' ALS, one page both sid...

American archaeologist (1867–1935) who made important discoveries among the mound builders in southern Ohio. ALS signed “M. H. Saville,” two pages on

One of the foremost solar spectroscopist astronomers in the United States (1834–1908) who authored a widely used series of astronomy textbooks. ALS si

Highly influential British economist (1883–1946) who was the chief British representative at the 1944 Bretton Woods conference that established the In

Scottish economist (1671–1729) known as a monetary reformer and as the originator of the 'Mississippi scheme' for the development of French ...