Leonard Eisenbud (August 3, 1913– November 30, 2004)[1][2] was an American theoretical physicist.
Eisenbud earned his bachelor's degree at Union College in Schenectady, New York in 1935.
During World War II he worked on radar at the Radiation Laboratory at MIT.
After the war, he earned his doctorate at Princeton University in 1948 under Eugene Wigner.
In 1958 he became a professor at the State University of New York at Stony Brook, where he helped to establish the Physics department.