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Burckhardt, Johann Ludwig

(Encyclopedia)Burckhardt, Johann Ludwig or John Lewis bo͝orkˈhärt [key], 1784–1817, European explorer, b. Switzerland, educated in Germany. Supported by an English association for promoting African discovery,...

Wilson, Benjamin

(Encyclopedia)Wilson, Benjamin, 1721–88, English portrait painter and electrician who opposed Benjamin Franklin's theory of positive and negative electricity. Instead, Wilson supported Newton's gravitational-opti...

Morgenthau, Robert Morris

(Encyclopedia) Morgenthau, Robert Morris, , 1919-2009, b. New York, N.Y, Amherst College (B.A., 1941); Yale Univ. Law School (J.D., 1948). He was the son of Henry Mor...

Ellery, William

(Encyclopedia)Ellery, William, 1727–1820, political leader in the American Revolution, signer of the Declaration of Independence, b. Newport, R.I. While a member of the Continental Congress (1776–81, 1783–85)...

Philadelphia, city, United States

(Encyclopedia)Philadelphia, city (2020 pop. 1,603,797), coextensive with Philadelphia co., SE Pa., on the Delaware River c.100 mi (160 km) upstream at the influx of t...

Knox, Frank

(Encyclopedia)Knox, Frank (William Franklin Knox), 1874–1944, U.S. Secretary of the Navy (1940–44), b. Boston. He joined the Rough Riders in the Spanish-American War and also served in World War I. Knox was gen...

Bache, Richard

(Encyclopedia)Bache, Richard, 1737–1811, American merchant, b. Yorkshire, England. He came to New York City in 1765 to join an older brother in the mercantile business. Bache soon moved to Philadelphia in the int...

King William Island

(Encyclopedia)King William Island, part of the Arctic Archipelago, in the Arctic Ocean, Nunavut Territory, Canada, between Boothia Peninsula and Victoria Island. The northern coast of the island was explored (1831)...

Davis, Jefferson

(Encyclopedia)Davis, Jefferson, 1808–89, American statesman, President of the Southern Confederacy, b. Fairview, near Elkton, Ky. His birthday was June 3. Davis took little part in the secession movement until ...

Rainbow Bridge National Monument

(Encyclopedia)Rainbow Bridge National Monument, 160 acres (65 hectares), S Utah; est. 1910. Rainbow Bridge, the largest natural bridge in the world, is a symmetrical, pink, sandstone arch, 309 ft (94 m) high, 33 ft...