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Roentgen, Wilhelm Conrad

(Encyclopedia)Roentgen or Röntgen, Wilhelm Conrad both: rĕntˈgĭn, rŭntˈ–, Ger. vĭlˈhĕlm kônˈrät röntˈgən [key], 1845–1923, German physicist. His notable research in many fields of physics, especi...

Röntgen, Wilhelm Conrad

(Encyclopedia)Röntgen, Wilhelm Conrad: see Roentgen. ...

roentgenium

(Encyclopedia)roentgenium, artificially produced radioactive chemical element; symbol Rg; at. no. 111; mass number of most stable isotope 280; m.p., b.p., sp. gr., and valence unknown. Situated in Group 11 of the p...

Roentgen ray

(Encyclopedia)Roentgen ray: see X ray.

Wilhelm

(Encyclopedia)Wilhelm. For German rulers thus named, use William.

Conrad, Joseph

(Encyclopedia)Conrad, Joseph, 1857–1924, English novelist, b. Berdichev, Russia (now Berdychiv, Ukraine), originally named Jósef Teodor Konrad Walecz Korzeniowski. Born of Polish parents, he is considered one of...

Aiken, Conrad

(Encyclopedia)Aiken, Conrad āˈkĭn [key], 1889–1973, American author, b. Savannah, Ga., grad. Harvard, 1912. Aiken is best known for his poetry, which often is preoccupied with the sound and structure of music;...

Sweynheym, Conrad

(Encyclopedia)Sweynheym, Conrad kônˈrät svīnˈhīm [key], fl. 15th cent., early printer. Originally from near Mainz, Germany, Sweynheym with Arnold Pannartz established (c.1464) in the monastery of Subiaco the ...

Weiser, Conrad

(Encyclopedia)Weiser, Conrad wīzˈər [key], 1696–1760, American pioneer, b. Württemberg, Germany. Arriving in America in 1710, his family settled in Livingston Manor, N.Y., and later at Schoharie. While still ...

Witz, Conrad

(Encyclopedia)Witz, Conrad kônˈrät vĭts [key], fl. c.1434–c.1447, German painter, active at Basel and Geneva. Many of the works attributed to him, such as The Synagogue and the Meeting of Joachim and Anna, ca...