hard work, respect, authority. Those with privilege must work to share it and have an obligation to those without privilege." In his book Puritan Boston and Quaker Philadelphia (1979), Baltzell concluded that the Quakers in Philadelphia were less effective than the Protestants of Boston because of their traditions of modesty and egalitarianism. Baltzell was the Danforth Fellow at the Society for Religion in Higher Education of the Princeton Theological Seminary from 1967 to 1968. He was also a Charles Warren Research Fellow at Harvard University from 1972 to 1973, and Guggenheim Fellow from 1978 to 1979. Baltzell retired from the University of Pennsylvania in 1986, and became Emeritus Professor of history and sociology. Professional affiliations In 1994, he was elected a Fellow of the American Academy of Arts and Sciences. He belonged to the American Sociology Association, the American Studies Association, and the Historical Society of Pennsylvania. Publications Nonfiction books Philadelphia Gentlemen: The Making of a National Upper Class (Routledge, 1958) ISBN 978-0887387890 American Business Aristocracy (Collier Books, 1962) The Protestant Establishment: Aristocracy and Caste in America (Yale University Press, 1964) ISBN 978-0300038187 Puritan Boston and Quaker Philadelphia: Two Protestant Ethics and the Spirit of Class Authority and Leadership (Free Press, 1979) ISBN 9780029013205 The Protestant Establishment Revisited (New Brunswick, 1991) ISBN 9780887384196 Judgment and Sensibility: Religion and Stratification (Routledge, 1994) ISBN 978-1560000488 Sporting Gentlemen: Men's Tennis from the Age of Honor to the Cult of the Superstar (Free Press, 1995) ISBN 978-0029013151 Awards and honors 2015: A carved stone gargoyle in Digby's likeness was placed at the University of Pennsylvania's Quadrangle dormitory before the centennial of his birth. 2010: The library in the University of Pennsylvania St. Anthony Hall chapter house was upgraded and renamed Digby Baltzell Library in his honor Digby Baltzell Library. 1989: Honorary Degree, University of Pennsylvania 1985: Ira Abrams Award for Distinguished Teaching, School of Arts and Sciences, University of Pennsylvania 1981 & 1996: His papers are maintained at the University Archives & Records Center at the University of Pennsylvania 1981: Alumni Award of Merit, University of Pennsylvania 1981:Honorary Degree, La Salle College 1979: Athenaeum Literary Award, Athenaeum of Philadelphia – for Puritan Boston and Quaker Philadelphia Personal life Baltzell married the artist and debutante Jane Gibson Piper in 1943. She was the daughter of Dr. and Mrs. Edmund B. Piper of Philadelphia. They had two daughters, Eve and Jan Baltzell. She died in 1991.