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Geiger, Johannes Wilhelm

(Encyclopedia)Geiger, Johannes Wilhelm (Hans Geiger) gīˈgər [key], 1882–1945, German physicist. Geiger received a doctorate in physics at Erlangen in 1906, then went to Manchester, where he assisted British c...

Sommerfeld, Arnold Johannes Wilhelm

(Encyclopedia)Sommerfeld, Arnold Johannes Wilhelm ärˈnōlt yōhänˈəs vĭlˈhĕlm zômˈərfĕlt [key], 1868–1951, German physicist and teacher. He received a Ph.D. at Königsburg Univ. in 1891 and was a prof...

Geiger counter

(Encyclopedia)Geiger counter or Geiger-Müller (G-M) counter gīˈgər-mŭlˈər, –myo͞oˈlər [key], instrument for the detection and quantitative determination of ionizing radiation such as the alpha and beta ...

Geiger, Abraham

(Encyclopedia)Geiger, Abraham gīˈgər [key], 1810–74, German rabbi, Semitic scholar and Orientalist, theologian, and foremost exponent of the Reform movement in Judaism. When he received his doctorate (1833) fr...

Wilhelm

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

Koch, Johannes

(Encyclopedia)Koch, Johannes: see Cocceius, Johannes. ...

Koken, Johannes

(Encyclopedia)Koken, Johannes: see Cocceius, Johannes. ...

Evald, Johannes

(Encyclopedia)Evald, Johannes: see Ewald, Johannes. ...

Schilling, Johannes

(Encyclopedia)Schilling, Johannes yōhänˈəs shĭlˈĭng [key], 1828–1910, German sculptor. He is represented by many monuments in Germany, including the colossal Germania (1883), a national monument in the Nie...

Brenz, Johannes

(Encyclopedia)Brenz, Johannes yōhänˈəs brĕnz [key], c.1522–67, German Protestant reformer. After coming under the influence of Johannes Oecolampadius and Martin Luther, Brenz stopped celebrating Mass (1523) ...