The Princeton University Department of Physics is an academic department dedicated to research and teaching at Princeton University. The associated faculty members, researchers, and students have been recognized for their research contributions, having been awarded 19 Nobel Prizes, four National Medals of Science, and two Wolf Prizes in Physics. Notable professors, researchers, and graduate students affiliated with the department include Richard Phillips Feynman, Joseph H. Taylor, Jim Peebles, Eugene P. Wigner, and John von Neumann. In addition, the department offers degree programs for bachelor's students (A.B.) and doctoral students (Ph.D.).