British typographic historian and founder, in 1968, of the renowned Reading University course, Typography & Graphic Communication. For its lecturers, the course attracts notable personalities from the typographic scene, including Michael Harvey, James Mosley, Gerard Unger, and Gerry Leonidas. Every year, students are treated to a tour of the stone inscriptions in Rome and Tuscany. His department hosted the 1997 ATypI Conference. Twyman was Head of Department from its beginnings until his retirement from full-time teaching in 1998.