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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....

Johnson, Alexander Bryan

(Encyclopedia)Johnson, Alexander Bryan, 1786–1867, American philosopher and semanticist, b. Gosport, England. He immigrated (1801) to the United States and eventually became a wealthy banker in Utica, N.Y. Johnso...

Johnston, Alexander Keith

(Encyclopedia)Johnston, Alexander Keith, 1804–71, Scottish cartographer and geographer royal of Scotland. He issued many notable atlases, maps, and gazetteers, including The National Atlas of Historical, Commerci...

Mudd, Samuel Alexander

(Encyclopedia)Mudd, Samuel Alexander, 1833–83, Maryland physician and Confederate sympathizer who on April 15, 1865, set the broken left leg of Lincoln's fleeing assassin, John Wilkes Booth. Mudd was accused of a...

Müller, Karl Alexander

(Encyclopedia)Müller, Karl Alexander, 1927–, Swiss physicist, Ph.D. Swiss Federal Institute of Technology, 1958. In 1983, Müller and co-researcher Johannes Georg Bednorz discovered superconductivity in a cerami...

Logan, John Alexander

(Encyclopedia)Logan, John Alexander, 1826–86, American politician, Union general in the Civil War, b. Murphysboro, Ill. He fought in the Mexican War and practiced law in Illinois. A Democrat who supported Stephen...

Murray, Alexander Stuart

(Encyclopedia)Murray, Alexander Stuart, 1841–1904, Scottish archaeologist. He was assistant keeper (1867–86) and keeper (from 1886) of Greek and Roman antiquities at the British Museum. From 1894 to 1896 he was...

Neill, Alexander Sutherland

(Encyclopedia)Neill, Alexander Sutherland, 1883–1973, English educator. After teaching at state schools in Scotland, Neill became dissatisfied with traditional education. In 1924, he set up the progressive coeduc...

Palmer, Alexander Mitchell

(Encyclopedia)Palmer, Alexander Mitchell päˈmər [key], 1872–1936, American politician, b. Moosehead, Pa. Admitted (1893) to the bar, he built up a large law practice, became a leader in the state Democratic pa...

Ovechkin, Alexander Mikhailovich

(Encyclopedia)Ovechkin, Alexander Mikhailovich, 1985–, Russian hockey player. He joined Dynamo Moscow, a professional team, at 16, and led Russia to a junior championship. A Washington Capitals first-round pick i...