Weintraub was born in Philadelphia, Pennsylvania.on April 17, 1929. the eldest child of Benjamin and Ray Segal Weintraub, He attended South Philadelphia High School, and then he attended West Chester State Teachers College (now West Chester University of Pennsylvania) where he received his B.S. in education in 1949. He continued his education at Temple University where he received his master’s degree in English “in absentia,” as he was called to duty in the Korean War.
Except for visiting appointments, he remained at Penn State for all of his career, finally attaining the rank of Evan Pugh Professor of Arts and Humanities, with emeritus status on retirement in 2000. From 1970 to 1990 he was also Director of Penn State’s Institute for the Arts and Humanistic Studies.,
He is the author of a number of books:
- Private Shaw and Public Shaw: A Dual Portrait of Arabia and G. B. S.. London: Braziller, 1963.
- The Yellow Book, Quintessence of the Nineties. Ed. with an introd. by Stanley Weintraub Garden City, N.Y. Doubleday 1964.
- The Art of William Golding (with Bernard S. Oldsey). New York: Harcourt, Brace & World, 1965.
- Reggie: a Portrait of Reginald Turner. New York G. Braziller, 1965.
- The Last Great Cause ; the Intellectuals and the Spanish Civil War. New York, Weybright and Talley, 1968.
- Journey to Heartbreak ; the Crucible Years of Bernard Shaw, 1914-1918. New York, Weybright and Talley, 1971.
- Beardsley: A Biography. London: Braziller, 1967. Received National Book Award nomination in 1967 
- Journey to Heartbreak: The Crucible Years of Bernard Shaw. New York: Weybright and Talley, 1971.Received the George Freedley Award from the American Theatre Library Association in 1971.
- Directions in Literary Criticism; Contemporary Approaches to Literature. Ed. by Stanley Weintraub & Philip Young. University Park Penn. State Univ. Press, 1973.
- Saint Joan: Fifty Years After, 1923/24-1973/74. Baton Rouge, Louisiana State Univ. Press, 1973.
- Whistler: a Biography. New York, Weybright and Talley, 1974. (In 1365 libraries, according to WorldCat  )
- Lawrence of Arabia: the Literary Impulse. With Rodelle Weintraub. Baton Rouge : Louisiana State Univ. Press, 1975.
- Aubrey Beardsley: Imp of the Perverse. University Park: Pennsylvania State Univ. Press, 1976
- War in the Wards: Korea's Unknown Battle in a Prisoner-of-war Hospital Camp 2d ed. San Rafael, Calif. : Presidio Press, 1976.
- Four Rossettis: a Victorian Biography. New York : Weybright and Talley, 1977.
- The London Yankees: Portraits of American Writers and Artists in London, 1894-1914. New York: Harcourt, 1979.Received the Freedom Foundation Award in 1980 
- Modern British Dramatists, 1900-1945. Detroit, Mich.: Gale Research Co., 1982.
- The Unexpected Shaw: Biographical Approaches to George Bernard Shaw and His Work. New York: Ungar, 1982,
- British Dramatists since World War II. Detroit, Mich.: Gale Research Co., 1982.
- The Portable Bernard Shaw. New York : Penguin Books, 1986, 1977.
- A Stillness Heard Round the World: the End of the Great War, November 1918. London : Allen & Unwin, 1986, 1985.
- Victoria: An Intimate Biography. New York: Dutton, 1987. (in 1498 libraries according to WorldCat  )
- Bernard Shaw on the London Art Scene, 1885-1950. Pennsylvania State Univ. Press, 1989.
- Long Day's Journey Into War: December 7, 1941. New York, Dutton, 1991. In 1490 libraries, according to WorldCat 
- Bernard Shaw: a Guide to Research. University Park, Pa. : Pennsylvania State University Press, 1992.
- Disraeli: A Biography. New York: Dutton, 1993
- Arms and the Man and John Bull's Other Island by George Bernard Shaw, with an Introduction by Stanley and Rodelle Weintraub. New York: Bantam Books, 1993.
- The Last Great Victory : the End of World War II, July–August 1945. New York : Truman Talley Books, 1995.
- Shaw's People: Victoria to Churchill. University Park : Pennsylvania State Univ. Press, 1996.
- Uncrowned King: The Life of Prince Albert. New York: Free Press, 1997.
- MacArthur's War: Korea and the Undoing of an American Hero. New York: Free Press, 2000.
- Dear Young Friend the Letters of American Presidents to Children. Ed. with Rodelle Weintraub. Mechanicburg: Stackpole Press, 2000.
- Edward the Caresser: the Playboy Prince who Became Edward VII. New York: Free Press, 2001.
- Silent Night: The Remarkable Christmas Truce of 1914. New York: Free Press, 2001.
- Charlotte and Lionel: a Rothschild Love Story. New York: Free Press, 2003. (In 1129 libraries according to WorldCat  )
- General Washington's Christmas Farewell: a Mount Vernon Homecoming, 1783. New York: Free Press, 2003.
- Iron Tears: America's Battle for Freedom, Britain's Quagmire, 1775-1783. New York: Free Press, 2005. (also, subtitled Rebellion in America, 1775-1783. London: Simon and Schuster, 2005)
- Eleven Days in December. Christmas at the Bulge, 1944. NY: Free Press, 2006
- 15 Stars: Eisenhower, MacArthur, Marshall: Three Generals Who Saved the American Century New York: Free Press, 2007.
- General Sherman's Christmas. Savannah, 1864 New York: Harper/Smithsonian, 2009
- Farewell, Victoria! English Literature 1880-1900 Greensboro, NC: ELT PRESS / Univ. of North Carolina at Greensboro, 2011
- Who's Afraid of Bernard Shaw? Some Personalities in Shaw's Plays Gainesville, FL: Univ. Press of Florida, 2011
- Victorian Yankees at Queen Victoria's Court: American Encounters with Victoria and Albert Newark: Univ. of Delaware Press, 2011 *Pearl Harbor Christmas: A World at War, December 1941 New York: DaCapo Press (Perseus Books Group), 2011
- Final Victory: FDR's Extraordinary World War II Presidential Campaign New York: DaCapo Press (Perseus Books Group), 2012.
In 2011, he was awarded the Honorary Degree of Doctor of Letters by West Chester University of Pennsylvania. On 11 November 1982, the university inaugurated the “Rodelle and Stanley Weintraub Center for the Study of the Arts and Humanities,” containing a collection of their books, papers and memorabilia.
- Grace Matters, Interview: Stanley Weintraub
- Simon and Schuster, Stanley Weintraub | Official Publisher Page
- The Gale Literary Database: Contemporary Authors Online. 10 Sept. 2009. 7 Nov. 2011.
- WorldCat author listing
- Penn State Libraries
- WorldCat book entry
- Undergraduate Catalog 2010 - West Chester University
- Lecture on Pearl Harbor Christmas at the Pritzker Military Library
- Booknotes interview with Weintraub on Disraeli: A Biography, February 6, 1994.