Lederman, Leon Max definition of Lederman, Leon Max in the Free Online Encyclopedia.

Lederman, Leon Max (lĕd`ərmən), 1922–, American physicist, Ph.D. Columbia Univ., 1951. He was a professor at Columbia until he became director of the Fermi National Accelerator Laboratory in Batavia, Ill. (1979–89). In the early 1960s, Lederman and co-researchers, Melvin Schwartz Schwartz, Delmore, 1913–66, American poet, b. New York City, grad. New York Univ., 1935. He was an editor of the Partisan Review (1943–55). His first work, In Dreams Begin Responsibilities, including the famous title story, appeared in 1938.
..... Click the link for more information. and Jack Steinberger Steinberger, Jack, 1921–, American physicist, b. Kissingen, Germany, Ph.D. Univ. of Chicago, 1948. He was a professor at Columbia Univ. from 1950 until 1971.
..... Click the link for more information. , discovered a new type of neutrino, which is a particle with no detectable electric charge or mass that moves at the speed of light. This led to the development of a new scheme for classifying families of subatomic particles. In 1988, Lederman, Schwartz, and Steinberger were awarded the Nobel Prize in Physics for their discovery.