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Martin, Frank

(Encyclopedia)Martin, Frank fräNk märtăNˈ [key], 1890–1974, Swiss composer, b. Geneva. He studied mathematics and physics at the Univ. of Geneva and studied composition and music with Joseph Lauber and Jaques...

Langley, Samuel Pierpont

(Encyclopedia)Langley, Samuel Pierpont, 1834–1906, American scientist, b. Roxbury, Mass., received only a high school education but continued his studies in science in Boston libraries. He became, in 1866, profes...

Bohr, Aage Niels

(Encyclopedia)Bohr, Aage Niels ägə nēls bōr [key], 1922–2009, Danish physicist, Ph.D. Univ. of Copenhagen, 1954. He worked with his father Niels Bohr (who won the Nobel Prize in Physics in 1922) in the 1940s ...

Haas, Arthur Erich

(Encyclopedia)Haas, Arthur Erich häs [key], 1884–1941, American physicist and educator, b. Bohemia. He was professor of physics at Vienna, Leipzig, London, and, from 1936, the Univ. of Notre Dame, South Bend, In...

black hole

(Encyclopedia)black hole, in astronomy, celestial object of such extremely intense gravity that it attracts everything near it and in some instances prevents everything, including light, from escaping. The term was...

Randall, Lisa

(Encyclopedia)Randall, Lisa, 1962–, American theoretical physicist and writer, b. New York City, B.A. Harvard University, 1983, Ph.D. Harvard University, 1987. Rand...

Alfvén, Hannes Olof Gösta

(Encyclopedia)Alfvén, Hannes Olof Gösta, 1908–95, Swedish physicist, Ph.D. Univ. of Uppsala, 1934. He was a lecturer at Uppsala from 1934 to 1937 and a researcher at the Nobel Institute of Physics from 1937 to ...

bubble chamber

(Encyclopedia)bubble chamber, device for detecting charged particles and other radiation by means of tracks of bubbles left in a chamber filled with liquid hydrogen or other liquefied gas. It was invented in 1952 b...

Heisenberg, Werner

(Encyclopedia)Heisenberg, Werner vĕrˈnər hīˈzənbĕrk [key], 1901–76, German physicist. One of the founders of the quantum theory, he is best known for his uncertainty principle, or indeterminacy principle, ...

Wilczek, Frank Anthony

(Encyclopedia)Wilczek, Frank Anthony, 1951–, American physicist, b. New York City, Ph.D. Princeton, 1974. Wilczek was a professor at Princeton (1974–80, 1989–2000) and at the Univ. of California, Santa Barbar...