Search Loci: Convergence:
The discovery in 1846 of the planet Neptune was a dramatic and spectacular achievement of mathematical astronomy. The very existence of this new member of the solar system, and its exact location, were demonstrated with pencil and paper; there was left to observers only the routine task of pointing their telescopes at the spot the mathematicians had marked.
In J. R. Newman (ed.) The World of Mathematics, New York: Simon and Schuster, 1956.
The David Eugene Smith Collection
When Smith began giving his collection to the Columbia University Libraries in 1931, it included 12,000 printed books on the history of mathematics, ranging from the 15th through the 20th century. It also included 35 boxes of historical documents relating to mathematics; 140 boxes of his own professional papers; 350 volumes of western European manuscripts dating from the 15th to the early 20th century; 670 volumes of Oriental (primarily Arabic and Persian) manuscripts dating from the 8th to the early 20th century; 88 volumes of Chinese manuscripts; 363 volumes of Japanese