Austrian physicist; born in Brünn, Moravia, Jan. 11, 1843; educated at the Polytechnic high school there, and later at the University of Vienna. He entered the service of the state in 1865. In 1867 he was appointed an assistant in the Institute of Meteorology and Terrestrial Magnetism, and in Oct., 1868, to a like position in the Polytechnic Institute at Vienna, where he remained for more than two years until appointed (1870) professor of mathematics and physics at the K. K. Staats-Ober-Realschule in the seventh district of Vienna.

Kuhn was editor of "Die Realschule" from 1872 to 1877, and from 1877 to 1889 of the "Zeitschrift für das Realschulwesen." He is the author of the following works: "Ueber die Lichtenberg'schen Figuren," Vienna, 1873; "Ueber Beziehungen Zwischen Druck, Volumen und Temperatur bei Gasen," ib. 1875; "Einiges über die Entwicklung der Kegelschnittslinien aus Zwei Gegebenen Kreisen," 1868.

S. E. J.
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