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Forsyth, Alexander John

(Encyclopedia)Forsyth, Alexander John fôrsīthˈ [key], 1769–1843, Scottish inventor. He invented in 1807 the first workable percussion cap for the ignition of gunpowder in firearms. Forsyth refused an offer fro...

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...

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...

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...

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...

McClernand, John Alexander

(Encyclopedia)McClernand, John Alexander, 1812–1900, Union general in the American Civil War, b. Breckinridge co., Ky. He was admitted (1832) to the Illinois bar and sat as a Democrat in the U.S. House of Represe...

McClure, Alexander Kelly

(Encyclopedia)McClure, Alexander Kelly, 1828–1909, American journalist and political leader, b. Perry co., Pa. He edited and published the Juniata Sentinel of Mifflintown, Pa., before acquiring and editing (1850â...