Bachelor of Science in Physics from
MIT, 1971;
Ph.D. in Astronomy from the University of Michigan,
1976; Research Scientist for SAS-3 X-ray satellite 1978-82 at Center for Space
Research,
MIT; Staff Scientist 1982-86 at Atmospheric and
Environmental Research, Inc for solar heat flow variability; Scientist 1986 -
present (2004) at Space Telescope Science Institute, where he is currently
STScI Mission Scientist for James Webb Space Telescope; at the time of his
selection assigned at Hale Observatories, Carnegie Institute of Washington,
Pasadena, California; semi finalist in
NASA astronaut group 8 and 9 selections; hobbies:
flying, running, camping, and sea kayaking.