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Krauskopf, Joseph

(Encyclopedia)Krauskopf, Joseph krousˈkŏpf [key], 1858–1923, American rabbi and humanitarian, b. Prussia. He went to the United States in 1872, enrolling (1875) in the first class of the Hebrew Union College, C...

Blakeslee, Albert Francis

(Encyclopedia)Blakeslee, Albert Francis, 1874–1954, American botanist, b. Genesee, New York. He received his Ph.D. at Harvard (1904) and was a member of the faculty until 1907. After several years as professor at...

genetics

(Encyclopedia)genetics, scientific study of the mechanism of heredity. While Gregor Mendel first presented his findings on the statistical laws governing the transmission of certain traits from generation to genera...

Hobson, John Atkinson

(Encyclopedia)Hobson, John Atkinson, 1858–1940, English economist and journalist. He achieved wide popularity as a lecturer and writer. Criticizing classical economics, which centered on man's mechanical response...

recapitulation

(Encyclopedia)recapitulation, theory, stated as the biogenetic law by E. H. Haeckel, that the embryological development of the individual repeats the stages in the evolutionary development of the species. For examp...

Archaeopteryx

(Encyclopedia)Archaeopteryx ärˌkēŏpˈtərĭks [key] [Gr.,=primitive wing], a 150 million-year-old fossil animal first discovered in 1860 in the late Jurassic limestone of Solnhofen, Bavaria, and described the f...

Thierry, Augustin

(Encyclopedia)Thierry, Augustin ōgüstăNˈ tyĕrēˈ [key], 1795–1856, French historian. His vivid literary style, romantic treatment of events, and use of contemporary documents helped to create interest in hi...

Cope, Edward Drinker

(Encyclopedia)Cope, Edward Drinker, 1840–97, American paleontologist and comparative anatomist, b. Philadelphia, studied at the Academy of Natural Sciences, Philadelphia, and at the Smithsonian Institution. His l...

Ward, Lester Frank

(Encyclopedia)Ward, Lester Frank, 1841–1913, American sociologist and paleontologist, b. Joliet, Ill. Largely self-educated, he eventually took degrees in medicine and law. He worked as a government geologist and...

Pomponazzi, Pietro

(Encyclopedia)Pomponazzi, Pietro pyĕˈtrō pōmpōnätˈtsē [key], 1462–1525, Italian philosopher, b. Mantua. He was a professor at Padua, Ferrara, and Bologna. Pomponazzi aroused great interest in intellectual...