German mathematician; born at Königsberg, Prussia, Dec. 1, 1835; son of Joseph Levin Saalschütz. From 1854 to 1860 he studied mathematics and physics at the university of his native city, graduating as Ph.D. in 1861; his dissertation was "Ueber die Wärmeveränderungen in den Höheren Erdschichten Unter dem Einfluss des Nicht-periodischen Temperaturwechsels an der Oberfläche," and was published in the "Astronomische Nachrichten." From 1861 to 1882 he was teacher of mathematics, mechanics, and engineering at the Royal School of Mechanics, Königsberg. During the same period he lectured at the university; and since 1875 he has been assistant professor. For a number of years he has filled the office of president of the Jewish orphan asylum of Königsberg.
Saalschütz is the author of: "Der Belastete Stab," Leipsic, 1880; "Vorlesungen Ueber die Bernouillischen Zahlen," Berlin, 1893; and of a number of treatises in the technical journals.