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Williamson, Hugh

(Encyclopedia)Williamson, Hugh, 1735–1819, American political leader, physician, and scientist, b. West Nottingham, Pa. He studied theology, preached for a short time, and then was (1760–63) professor of mathem...

Wheeler, Burton Kendall

(Encyclopedia)Wheeler, Burton Kendall, 1882–1975, U.S. senator (1923–47), b. Hudson, Mass. He practiced law in Butte, Mont. Wheeler was (1911–13) a member of the state legislature and was appointed (1913) fed...

Bethune, Mary McLeod

(Encyclopedia)Bethune, Mary McLeod bəthyo͞onˈ [key], 1875–1955, American educator, b. Mayesville, S.C., grad. Moody Bible Institute, Chicago, 1895. The 17th child of former slaves, she taught (1895–1903) in ...

Nematoda

(Encyclopedia)Nematoda nĕmˌətōdˈə [key], phylum consisting of about 12,000 known species, and many more predicted species, of worms (commonly known as roundworms or threadworms). Nematodes live in the soil an...

Marcy, William Learned

(Encyclopedia)Marcy, William Learned, 1786–1857, American politician, b. Southbridge, Mass. He settled in Troy, N.Y., where he practiced law and, after serving in the War of 1812, held local offices. A Democrat a...

acoustics

(Encyclopedia)acoustics əko͞oˈstĭks [key] [Gr.,=the facts about hearing], the science of sound, including its production, propagation, and effects. Various branches of acoustics that deal with different aspects...

Lynch, John Roy

(Encyclopedia)Lynch, John Roy, 1847–1939, African-American politician, b. near Vidala, La. Born a slave, he became active in the Republican party after the Civil War in Natchez, Miss., and served (1869–73) in t...

Moscow Conferences

(Encyclopedia)Moscow Conferences, meetings held between 1941 and 1947 at Moscow, USSR. At a conference in Sept.–Oct., 1941, American and British representatives laid the basis for lend-lease aid to the USSR in Wo...

McReynolds, James Clark

(Encyclopedia)McReynolds, James Clark məkrĕnˈəldz [key], 1862–1946, U.S. Attorney General (1913–14) and associate justice of the U.S. Supreme Court (1914–41), b. Elkton, Ky. He received his law degree fro...

Tydings, Millard Evelyn

(Encyclopedia)Tydings, Millard Evelyn tīˈdĭngz [key], 1890–1961, American politician, b. Havre de Grace, Md. He was admitted (1913) to the bar, soon built a successful law practice, and became (1916) a member ...