BRAUN, KARL FERDINAND German physicist, was born at Fulda on June 6 1850 and was educated at Marburg and Berlin. In 1877 he was appointed a professor at Marburg and a.f ter appointments at Strasbourg, Karlsruhe and Tubingen, became in 1895 professor of physics and director of the Physical Institute at Strasbourg. He made researches into the electrical phenomena of cathode rays and the problems of wireless telegraphy. In 1909 he received, with Marconi, the Nobel Prize for physics. He died in New York April 20