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Barkla, Charles Glover

(Encyclopedia)Barkla, Charles Glover glŭˈvər bärˈklə [key], 1877–1944, English physicist. He was professor of natural philosophy at Edinburgh from 1913. For his discovery of the characteristic X rays of ele...

Seifert, Jaroslav

(Encyclopedia)Seifert, Jaroslav, 1901–86, Czech poet. Starting as a revolutionary “proletarian” poet, Seifert soon began to emphasize fantasy and enchantment as antidotes to modern technological civilization....

Siegbahn, Karl Manne Georg

(Encyclopedia)Siegbahn, Karl Manne Georg, 1886–1978, Swedish physicist. In 1913, he began a series of experiments that led to the discovery of the M series of X rays and demonstrated the shell arrangement of elec...

Cratinus

(Encyclopedia)Cratinus krətīˈnəs [key], d. c.419 b.c., Athenian comic dramatist. He won the prize at the Athenian drama contest when Aristophanes competed with The Clouds and was regarded with Aristophanes and ...

Estournelles de Constant, Paul Henri Benjamin, baron d'

(Encyclopedia)Estournelles de Constant, Paul Henri Benjamin, baron d' pōl äNrēˈ bäNzhämăNˈ bärôNˈ dāto͞ornĕlˈ də kôNstäNˈ [key], 1852–1924, French diplomat and pacifist. He wrote and spoke tire...

Parrington, Vernon Louis

(Encyclopedia)Parrington, Vernon Louis, 1871–1929, American literary historian and scholar, b. Aurora, Ill. His cultural interpretation of American literature was an expression of his belief in democratic idealis...

Fleming, Sir Alexander

(Encyclopedia)Fleming, Sir Alexander, 1881–1955, Scottish bacteriologist, discoverer of penicillin (1928) and lysozyme (1922), an antibacterial substance found in saliva and other body secretions. Educated at St....

Fowler, William Alfred

(Encyclopedia)Fowler, William Alfred, 1911–95, American nuclear astrophysicist, b. Pittsburgh. While a professor at the California Institute of Technology, Fowler studied how chemical elements are formed in nucle...

Einthoven, Willem

(Encyclopedia)Einthoven, Willem vĭlˈəm īntˈhōvən [key], 1860–1927, Dutch physiologist, b. Java, M.D. Univ. of Utrecht, 1885. He was professor at the Univ. of Leiden from 1886. To measure the electric curre...

Hansen, Marcus Lee

(Encyclopedia)Hansen, Marcus Lee, 1892–1938, American historian, b. Neenah, Wis. He spent almost four years in Europe gathering material for his studies on immigration. For The Atlantic Migration, 1607–1860 (19...