 On January 1, 1946, under the sponsorship of the U.S. Office of Scientific Research and Development, the RadLab's Basic Research Division continued work at MIT as a transitional organization.Under the leadership of Director Julius A. Stratton and Associate Director Albert G. Hill, it continued investigation on problems in physical electronics that involved cathodes, electronic emission, and gaseous conduction.In microwave physics, the electromagnetic properties of matter at microwave frequencies were studied.