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Morgan, Lewis Henry

(Encyclopedia)Morgan, Lewis Henry, 1818–81, American anthropologist, b. Aurora, N.Y., grad. Union College, Schenectady, 1840. Practicing as a lawyer, he became interested in the Native Americans of his locality, ...

Seventh-Day Baptists

(Encyclopedia)Seventh-Day Baptists, Protestant church holding the same doctrines as other Calvinistic Baptists but observing the seventh day of the week as the Sabbath. In the Reformation in England the observance ...

Lewis, Edward B.

(Encyclopedia)Lewis, Edward B., 1918–2004, American geneticist, b. Wilkes-Barre, Pa., grad. California Institute of Technology (Ph.D. 1942). After serving as a meteorologist with the U.S. Army Air Corps during Wo...

Post, C. W.

(Encyclopedia)Post, C. W. (Charles William Post), 1854–1914, American food manufacturer and developer of breakfast cereals, b. Springfield, Ill. He worked (1872–86) selling agricultural machines and invented a ...

Lewis and Clark expedition

(Encyclopedia)Lewis and Clark expedition, 1803–6, U.S. expedition that explored the territory of the Louisiana Purchase and the country beyond as far as the Pacific Ocean. The men were gathered and in the winte...

Julian Day calendar

(Encyclopedia)Julian Day calendar, system of astronomical dating that allows the difference between two dates to be calculated more easily than conventional civil calendars with their uneven months. It was devised ...

Cass, Lewis

(Encyclopedia)Cass, Lewis, 1782–1866, American statesman, b. Exeter, N.H. He established (1802) himself as a lawyer in Zanesville, Ohio, became a member (1806) of the state legislature, and was U.S. marshal for O...

Lawes, Lewis Edward

(Encyclopedia)Lawes, Lewis Edward, 1883–1947, American penologist, b. Elmira, N.Y. As warden (1920–41) of Sing Sing Prison, a New York state prison located at Ossining, N.Y., he carried out many reforms, advoca...

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