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Livingston, Robert R., 1654–1728, American colonist and statesman

(Encyclopedia)Livingston, Robert R., 1654–1728: see under Livingston, family. ...

Livingston, Robert R., 1718–75, American statesman and jurist

(Encyclopedia)Livingston, Robert R. 1718–75: see under Livingston, family. ...

lawrencium

(Encyclopedia)lawrencium, artificially produced radioactive chemical element; symbol Lr; at. no. 103; mass number of most stable isotope 262; m.p. about 1,627℃; b.p. and sp. gr. unknown; valence +3. Lawrencium is...

McClure, Sir Robert John Le Mesurier

(Encyclopedia)McClure, Sir Robert John Le Mesurier, 1807–73, British arctic explorer. He entered the navy and in 1848 accompanied Sir James Clark Ross to the arctic. As a naval captain he was given command (1850)...

Vernon, Edward

(Encyclopedia)Vernon, Edward, 1684–1757, British admiral. He entered the navy in 1700 and rose steadily in rank. A member of Parliament from 1722, he opposed the government of Sir Robert Walpole and urged war wit...

Campbell, Robert, American fur trader and merchant

(Encyclopedia)Campbell, Robert, 1804–79, American fur trader and merchant, one of the mountain men, b. Ireland. He came to the United States c.1824. Having been advised to lead an outdoor life because of a lung a...

Crewe, Robert Offley Ashburton Crewe-Milnes, 1st marquess of

(Encyclopedia)Crewe, Robert Offley Ashburton Crewe-Milnes, 1st marquess of kro͞oˌmĭlzˈ [key], 1858–1945, British statesman. He succeeded (1885) his father as Baron Houghton and was created earl (1895) and lat...

Napier, Robert Cornelis, 1st Baron Napier of Magdala

(Encyclopedia)Napier, Robert Cornelis, 1st Baron Napier of Magdala nāˈpēr, nəpērˈ [key], 1810–90, British general. In the engineering service in India, he fought in the Sikh Wars (1845–49) and took part i...

Sunderland, Robert Spencer, 2d earl of

(Encyclopedia)Sunderland, Robert Spencer, 2d earl of, 1641–1702, English statesman. He succeeded to the earldom in 1643. During the reign of Charles II he served on various diplomatic missions and in 1679 was mad...

Campbell, Robert, Canadian fur trader and explorer

(Encyclopedia)Campbell, Robert, 1808–94, Canadian fur trader and explorer, b. Scotland. Employed as a young man by the Hudson's Bay Company, he was sent in 1834 to the Mackenzie River region, where he remained un...