John M. Grunsfeld - Science Career

Science Career

Grunsfeld’s academic positions include that of Visiting Scientist, University of Tokyo/Institute of Space and Astronautical Science (1980–81); Graduate Research Assistant, University of Chicago (1981–85); NASA Graduate Student Fellow, University of Chicago (1985–87); W.D. Grainger Postdoctoral Fellow in Experimental Physics, University of Chicago (1988–89); and Senior Research Fellow, California Institute of Technology (1989–92). Grunsfeld’s research has covered x-ray and gamma-ray astronomy, high-energy cosmic ray studies, and development of new detectors and instrumentation. Grunsfeld studied binary pulsars and energetic x-ray and gamma ray sources using the NASA Compton Gamma Ray Observatory, x-ray astronomy satellites, radio telescopes, and optical telescopes including the NASA Hubble Space Telescope.