Frank Pfenning is a German-American professor of computer science, adjunct professor in the department of philosophy, and head of the Computer Science Department at Carnegie Mellon University. Education and career Pfenning grew up in Rüsselsheim in Germany. He studied mathematics and computer science at Technische Universität Darmstadt in Germany. He then moved to the US and studied at Carnegie Mellon University, where he received his M.S. and Ph.D. in the Department of Mathematics in 1987, for his dissertation entitled Proof Transformations in Higher-Order Logic. He was a student of Peter B. Andrews. His research includes work in the area of programming languages, logic and type theory, logical frameworks, automated deduction, and trustworthy computing. He is one of the principal authors of the Twelf system. He also developed Carnegie Mellon's introductory imperative programming course for undergraduates and the C0 programming language used in this course. Honors and awards In 2015 he was named a Fellow of the Association for Computing Machinery "for contributions to the logical foundations of automatic theorem proving and types for programming languages." In 2016 he received the LICS Test of Time Award for the paper "A Linear Logical Framework", co-authored with Iliano Cervesato. Personal life Pfenning is a competitive squash player, ranked in the top five of the university's squash ladder. Pfenning has also appeared in an experimental film alongside Sharon Needles. References External links Dr. Pfenning's Homepage Carnegie Mellon University alumni Programming language researchers Living people Year of birth missing (living people) Carnegie Mellon University faculty Fellows of the Association for Computing Machinery People from Rüsselsheim 20th-century German mathematicians German computer scientists Technische Universität Darmstadt alumni 21st-century German mathematicians