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van der Meer, Simon

(Encyclopedia)van der Meer, Simon, 1925–2011, Dutch physical engineer. He spent nearly his entire career at CERN, where he did his most important work with Carlo Rubbia. They discovered the W and Z particles, whi...

Hesburgh, Theodore Martin

(Encyclopedia)Hesburgh, Theodore Martin, 1917–2015, American educator and civil rights advocate, b. Syracuse, N.Y., grad. Pontifical Gregorian Univ. (1939), Catholic Univ. of America (Ph.D., 1945). A member of th...

Joseph, Father

(Encyclopedia)Joseph, Father (François Leclerc du Tremblay), 1577–1638, French Capuchin monk, a confidant and agent of Cardinal Richelieu, generally known as the Éminence Grise [gray eminence]. Combining the el...

Kikwete, Jakaya Mrisho

(Encyclopedia)Kikwete, Jakaya Mrisho jäkäˈyä kĭkwĕˈtā [key], 1950–, Tanzanian political leader, b. Msoga, Tanganyika, grad. Univ. of Dar es Salaam (1978). He joined the defense forces while in college, an...

Smalley, Richard Errett

(Encyclopedia)Smalley, Richard Errett, 1943–2005, American chemist, b. Akron, Ohio, Ph.D. Princeton, 1973. He was a professor at Rice Univ. in Houston, Tex., from 1976 until his death in 2005. Smalley shared the ...

Peña Nieto, Enrique

(Encyclopedia)Peña Nieto, Enrique, 1966–, Mexican politician, president of Mexico (2012–18). He earned a law degree from the Panamerican Univ., Mexico City, and an M.B.A. from Monterrey Technological Institute...

Perl, Martin Lewis

(Encyclopedia)Perl, Martin Lewis, 1927–2014, American physicist, b. Brooklyn, N.Y., Ph.D. Columbia, 1955. He was a professor at the Univ. of Michigan from 1955 to 1963, when he accepted a position at Stanford; he...

Teilhard de Chardin, Pierre

(Encyclopedia)Teilhard de Chardin, Pierre pyĕr tāyärˈ də shärdăNˈ [key], 1881–1955, French paleontologist and philosopher. He entered (1899) the Jesuit order, was ordained (1911), and received a doctorate...

radiometer

(Encyclopedia)radiometer rāˌdēŏmˈətər [key], instrument for detection or measurement of electromagnetic radiation; the term is applied in particular to devices used to measure infrared radiation. One of the ...

Louis IV, French king

(Encyclopedia)Louis IV or Louis d'Outremer lwē do͞otrəmĕrˈ [key] [Fr.,=Louis from overseas], 921–54, French king (936–54), son of King Charles III (Charles the Simple). He spent his youth as an exile in En...