Bernard Epstein (10 August 1920, Harrison, New Jersey – 30 March 2005, Montgomery County, Maryland) was an American mathematician and physicist who wrote several widely used textbooks on mathematics.
He received bachelor's and master's degrees in mathematics and physics from New York University and then in 1947 a Ph.D. in applied mathematics, with thesis advisor Maurice Heins, from Brown University with thesis Method for the Solution of the Dirichlet Problem for Certain Types of Domains.
[3] In the early 1940s, he worked as a physicist at what is now the National Institute of Standards and Technology.
During World War II, he was selected to join the Manhattan Project, which produced the first atomic bombs.
[5] Epstein was dissertation advisor for the following Ph.D. students: Upon his death at age 84, he was survived by his wife, five children, and 16 grandchildren.