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McClintock, Sir Francis Leopold

(Encyclopedia)McClintock, Sir Francis Leopold, 1819–1907, British arctic explorer. As a lieutenant in the navy he was assigned to his first arctic service in 1848, when Sir James Clark Ross went in search of the ...

Macdonald, Sir John Alexander

(Encyclopedia)Macdonald, Sir John Alexander, 1815–91, Canadian statesman, first prime minister of the Dominion of Canada, b. Glasgow. His parents settled in 1820 in Kingston, Ont. Macdonald first practiced law. W...

Lockyer, Sir Joseph Norman

(Encyclopedia)Lockyer, Sir Joseph Norman lŏkˈyər [key], 1836–1920, English astronomer, educated on the Continent. One of the first to make a spectroscopic examination of the sun and stars, he devised (1868), i...

Lodge, Sir Oliver Joseph

(Encyclopedia)Lodge, Sir Oliver Joseph, 1851–1940, English physicist, grad. University College, London (B.S., 1875; D.Sc., 1877). He made valuable contributions to the development of wireless telegraphy and condu...

Logan, Sir William Edmond

(Encyclopedia)Logan, Sir William Edmond, 1798–1875, Canadian geologist. Educated in England, he managed (1831–38) coal mines and a copper smelter in Wales. In addition to making studies of clays underlying coal...

Mackinder, Sir Halford John

(Encyclopedia)Mackinder, Sir Halford John hălˈfərd, məkĭnˈdər [key], 1861–1947, English geopolitician. Educated at Oxford (1887–1905), he led in the revival of British geographical learning. He establish...

McLennan, Sir John Cunningham

(Encyclopedia)McLennan, Sir John Cunningham, 1867–1935, Canadian physicist, grad. Univ. of Toronto (B.A., 1892; Ph.D., 1900). He taught at the Univ. of Toronto from 1892 to 1932, was professor of physics from 190...

MacNab, Sir Allan Napier

(Encyclopedia)MacNab, Sir Allan Napier, 1798–1862, Canadian political leader, b. Ontario. He fought in the War of 1812 and later became a lawyer. A staunch supporter of English policies, he commanded “the men o...

Lutyens, Sir Edwin Landseer

(Encyclopedia)Lutyens, Sir Edwin Landseer lŭˈchənz, lŭˈtyənz [key], 1869–1944, English architect. He began his career designing small houses in Surrey and later executed a series of large country establishm...

Lyall, Sir Charles James

(Encyclopedia)Lyall, Sir Charles James līˈəl [key], 1845–1920, British Orientalist and civil servant in India. He held various offices in India and became chief commissioner of the Central Provs. (1895–98). ...