Benjamin C. Pierce

Benjamin Crawford Pierce is the Henry Salvatori Professor[1] of computer science at the University of Pennsylvania. Pierce joined Penn in 1998 from Indiana University and held research positions at the University of Cambridge and the University of Edinburgh. He received his Ph.D. from Carnegie Mellon University in 1991. His research includes work on programming languages, static type systems, distributed programming, mobile agents, and process calculi.

Benjamin C. Pierce
Mathematical Foundations of Programming Semantics 24 (Philadelphia, May 2008)
Alma materCarnegie Mellon University
Scientific career
ThesisProgramming with Intersection Types and Bounded Polymorphism (1991)
Doctoral advisorRobert Harper
John C. Reynolds

As part of his research, Pierce has led development on several open-source software projects, including the Unison file synchronization utility.

In 2012 Pierce became an ACM Fellow [2] for "contributions to the theory and practice of programming languages and their type systems". In 2015 Pierce and co-authors received the award for the most influential paper on principles of programming languages [3], which was described as "instrumental in bringing the view-update problem to the attention of the programming languages community and demonstrating the broad relevance of the problem beyond databases. [...] More broadly, the paper sparked a great deal of follow-on work in the area of BX (“bidirectional transformations”), leading to a fruitful collaboration between the worlds of databases, programming languages, and software engineering."


He is the author of one book on type systems, Types and Programming Languages ISBN 0-262-16209-1. He has also edited a collection of articles to create a second volume Advanced Topics in Types and Programming Languages ISBN 0-262-16228-8. Based on the notes he collected while learning category theory during his PhD, he also published an introductory book on this topicBasic Category Theory for Computer Scientists, ISBN 0-262-66071-7. He is one of the authors of the freely available book Software Foundations.

See also


  2. "Benjamin Pierce". Retrieved 2019-09-10.
  3. "Most Influential POPL Paper Award". Retrieved 2019-09-10.

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