Röntgen, Wilhelm Konrad von, discoverer of the Röntgen rays, born at Lennep, in Rhenish Prussia; since 1885 has been professor of Physics at Würzburg; his discovery of the X-rays was made in 1898, and has won him a wide celebrity; (b. 1845).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Ronsard, Pierre * Röntgen Rays