Robert Orr
Faculty of Science

Position: Professor, Dept. of Physics and Astronomy, Warren Chair in
Subatomic Physics

Education: PhD (1972), Imperial College, University of London

Courses taught: introduction to subatomic physics, nuclear and particle
physics, fundamental physics laboratory

Previous positions: Staff Physicist, CERN (1977-81); Research Scientist,
Institute of Particle Physics (1983-95); Professor, Dept. of Physics,
University of Toronto (1981-95)

Recent publication: Extraction of the Gluon Density of the Proton at
Small x


Teaching/Research objectives:
“I am convinced that the connection between
the known forces–gravity, electromagnetism, and the weak and strong nuclear
forces–is the most important question in particle physics and probably holds
the solution to the problem of where mass comes from.”