Sean G Ryan

Sean Ryan is Professor of Astrophysics and Head of the School of Physics, Astronomy and Mathematics at the University of Hertfordshire. Prior to this he worked for the Open University, contributing to the development of courses in physics and astronomy.

Sean Ryan is Professor of Astrophysics and Head of the School of Physics, Astronomy and Mathematics at the University of Hertfordshire. Prior to this he worked for the Open University, contributing to the development of courses in physics and astronomy. See less