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Urey, Harold Clayton

(Encyclopedia)Urey, Harold Clayton yo͝orˈē [key], 1893–1981, American chemist, b. Walkerton, Ind., grad. Univ. of Montana (B.S., 1917), Ph.D. Univ. of California, 1923. He taught at Johns Hopkins (1924–29), ...

Bailey, Liberty Hyde

(Encyclopedia)Bailey, Liberty Hyde, 1858–1954, American botanist and horticulturist, b. South Haven, Mich., grad. Michigan Agricultural College (now Michigan State Univ.), 1882. At Cornell he was professor of hor...

Panizzi, Sir Anthony

(Encyclopedia)Panizzi, Sir Anthony pänētˈsē [key], 1797–1879, British librarian, b. Italy. A political exile, Panizzi settled in England in 1823 and was naturalized in 1832. He was associated with the British...

pathology

(Encyclopedia)pathology, study of the cause of disease and the modifications in cellular function and changes in cellular structure produced in any cell, organ, or part of the body by disease. The changes in tissue...

Hilleman, Maurice Ralph

(Encyclopedia)Hilleman, Maurice Ralph, 1919–2005, American microbiologist, regarded as the father of modern vaccinology, b. Miles City, Mont., Ph.D Univ. of Chicago, 1941. He joined E. R. Squibb and Sons in 1944,...

Bourne, Randolph Silliman

(Encyclopedia)Bourne, Randolph Silliman bôrn [key], 1886–1918, American author and social critic, b. Bloomfield, N.J., grad. Columbia Univ., 1912. His critical examination of the American way of life established...

Bradman, Sir Donald George

(Encyclopedia)Bradman, Sir Donald George, 1908–2001, Australian cricketeer, widely considered the sport's greatest player and one of the world's most outstanding athletes, b. Cootamundra. His 20-year-long cricket...

Bradstreet, Anne (Dudley)

(Encyclopedia)Bradstreet, Anne (Dudley), c.1612–1672, early American poet, b. Northampton, England, considered the first significant woman author in the American colonies. She came to Massachusetts in the Winthro...

Progressive party

(Encyclopedia)Progressive party, in U.S. history, the name of three political organizations, active, respectively, in the presidential elections of 1912, 1924, and 1948. At Philadelphia in July, 1948, a new...

North Pole

(Encyclopedia)North Pole, northern end of the earth's axis, by convention at lat. 90°N. Because the earth's rotational axis wobbles slightly over time, the location where the northern end of the axis intersects th...