Columbia Encyclopedia

(Encyclopedia) MacNally, Leonard, 1752–1820, Irish political informer. A lawyer, he joined the United Irishmen and defended many of their members in court. His clients, however, were invariably convicted, and afte...

(Encyclopedia) Carnot, Nicolas Léonard Sadi kärnōˈ [key], 1796–1832, French physicist, a founder of modern thermodynamics; son of Lazare N. M. Carnot. His famous work on the motive power of heat (Réflexions ...

(Encyclopedia) Fontaine, Pierre François Léonard pyĕr fräNswäˈ lāōnärˈ fôNtĕnˈ [key], 1762–1853, French architect. He was known chiefly for the work which, beginning in 1794, he did jointly with Charl...

(Encyclopedia) Dickson, Leonard Eugene, 1874–1954, American mathematician, b. Independence, Iowa, grad. Univ. of Texas, 1893. He studied in Leipzig and Paris and joined the staff of the Univ. of Chicago in 1900. A...

(Encyclopedia) Hobhouse, Leonard Trelawney, 1864–1929, English philosopher, sociologist, and journalist. He taught at Oxford and at the Univ. of London. Hobhouse sought to show with evidence from anthropology and ...

(Encyclopedia) Schawlow, Arthur Leonard shôˈlō [key], 1921–99, American physicist, b. Mount Vernon, N.Y., grad. Univ. of Toronto (Ph.D. 1949). Although his research focused on optics, in particular, lasers and ...

(Encyclopedia) Thomas, Michael Tilson, 1944–, American conductor, composer, and pianist, b. Hollywood, Calif. A musical prodigy, he won Tanglewood's Koussevitsky Prize at 24 and shortly thereafter (1969) made his ...

(Encyclopedia) Kleinrock, Leonard, 1934–, American computer scientist, b. New York City, B.E.E. City College of New York (1957), Ph.D. Massachusetts Institute of Technology (1963). Moving to the Univ. of Californi...

(Encyclopedia) Nelson, Leonard, 1882–1927, German philosopher. On the faculty of the Univ. of Göttingen from 1909, he was interested in the use of critical method to establish a scientific foundation for philosop...

(Encyclopedia) van Zweden, Jaap yäp vän zvāˈdĕn [key], 1960–, Dutch conductor and violonist, b. Amsterdam. An accomplished violonist, he was appointed concertmaster of Amsterdam's Royal Concertgebouw Orchestr...