During his PhD at UCLA with professor Robert Finkelstein he made some early contributions to lattice formulation of quantum field theory around 1972, which was a year before Kenneth Wilson, and two years before Alexander Polyakov.
The individual's PhD research at UCLA with Professor Robert Finkelstein focused on early lattice formulations of quantum field theory around 1972, which predated the work of Kenneth Wilson by a year and Alexander Polyakov by two years.