Roentgen, Wilhelm Conrad

Roentgen or Rntgen, Wilhelm Conrad both: r?ntg?n, r?nt?, Ger. v?lh?lm knrt rntg?n [key], 1845?1923, German physicist. His notable research in many fields of physics, especially thermology, mechanics, and electricity, has been overshadowed by his discovery (1895) of a short-wave ray, the Roentgen ray, or X ray, for which he received the first Nobel Prize in Physics (1901). He taught at several German universities, including those at Wrzburg (1888?99) and Munich (1899?1920).

See biography by W. R. Nitske (1971).

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