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Penrose, Sir Roger

(Encyclopedia)Penrose, Sir Roger, 1931–, British mathematical physicist, Ph.D. Cambridge, 1958. He taught and conducted research at a number of British and American colleges and universities before becoming a pro...

Pepperrell, Sir William

(Encyclopedia)Pepperrell, Sir William, 1696–1759, American colonial military commander, b. Kittery Point, Maine (then part of Massachusetts). A wealthy merchant, landowner, and businessman, he became a colonel in...

Back, Sir George

(Encyclopedia)Back, Sir George, 1796–1878, British explorer in N Canada. He accompanied Sir John Franklin on arctic expeditions in 1818, 1819–22, and 1824–27. On an expedition (1833–35) to search for the mi...

Percy, Sir Henry

(Encyclopedia)Percy, Sir Henry, 1366–1403, English nobleman, called Hotspur or Henry Hotspur; son of Henry Percy, 1st earl of Northumberland. In 1388 he participated in the famous battle of Otterburn, or Chevy Ch...

Poitier, Sir Sidney

(Encyclopedia)Poitier, Sir Sidney, 1927–2022, Bahamian-American actor, b. Miami, raised in the Bahamas, returned to the United States at 14. Poitier served in the 1...

Pollock, Sir Frederick

(Encyclopedia)Pollock, Sir Frederick pŏlˈək [key], 1845–1937, English jurist, b. London. He was educated at Eton and Cambridge and was admitted to the bar in 1871. He succeeded to his baronetcy in 1888. Polloc...

Baker, Sir Benjamin

(Encyclopedia)Baker, Sir Benjamin, 1840–1907, English civil engineer. He helped build London's underground railway, Tower Bridge, and the Blackwall Tunnel, and with Sir John Fowler he designed and built the bridg...

Pitman, Sir Isaac

(Encyclopedia)Pitman, Sir Isaac, 1813–97, English inventor of phonographic shorthand. In Stenographic Soundhand (1837) he set forth a shorthand system based on phonetic rather than orthographic principles; adapte...

Playfair, Sir Nigel

(Encyclopedia)Playfair, Sir Nigel nīˈjəl plāˈfâr [key], 1874–1934, English actor-manager. He made his acting debut in 1902 and later appeared in major London productions of Shaw and Shakespeare. He took on ...

Poynings, Sir Edward

(Encyclopedia)Poynings, Sir Edward, 1459–1521, English statesman. After taking part in an insurrection (1483) against Richard III, he fled to the Continent, where he joined the followers of Henry Tudor, earl of R...