Richard B. Gaffin, Jr. is a Calvinist theologian, Presbyterian minister, and was the Charles Krahe Professor of Biblical and Systematic Theology at Westminster Theological Seminary in Philadelphia, Pennsylvania from 1999 to 2012.
Gaffin was born to missionaries in China. Gaffin received a B.A. from Calvin College (1958), a B.D. (1961), Th.M. (1962), and Th.D. (1969) from Westminster Theological Seminary, and undertook graduate studies at Georg-August University of Göttingen (1962-1963). He has taught at Westminster since 1965. He is an ordained minister in the Orthodox Presbyterian Church.
Gaffin is the author of books including Resurrection and Redemption (ISBN 0875522718), Perspectives on Pentecost (ISBN 0875522696), Calvin and the Sabbath (ISBN 978-1857923766), and By Faith, Not By Sight: Paul and the Order of Salvation (ISBN 184227418X). He has contributed to or edited several volumes, including Jerusalem and Athens (a Festschrift for Cornelius Van Til), Redemptive History and Biblical Interpretation; The Shorter Writings of Geerhardus Vos (editor), Biblical Principles & Business: The Foundations, Theonomy: A Reformed Critique, and the English translation of Reformed Dogmatics by Geerhardus Vos. He has also written many academic articles such as:
- "Paul as Theologian," Westminster Theological Journal, May 1968
- "The Usefulness of the Cross," Westminster Theological Journal, Spring 1979
- "The Holy Spirit," Westminster Theological Journal, Fall 1980
- "Old Amsterdam and Inerrancy?" Westminster Theological Journal, Fall 1982 and Fall 1983
- "The Holy Spirit and Eschatology," Kerux: The Journal of Northwest Theological Seminary, December 1989
- "Some Epistemological Reflections on 1 Corinthians 2:6-16," Westminster Theological Journal, Spring 1995
- "Pentecost: Before and After," Kerux: The Journal of Northwest Theological Seminary, September 1995
- "Paul the Theologian," Westminster Theological Journal, Spring 2000.