Bachelor of Science in Astronomy vom
California Institute of Technology, 1967; Doktortitel in Physics von der
University of California, San Diego, 1972; Project Assistant, Department of
Astronomy, University of Wisconsin-Madison, 1973-1974; Assistant Professor,
Department of Astronomy, University of Wisconsin-Madison, 1974-1980; Associate
Professor, Department of Astronomy, University of Wisconsin-Madison, 1980-1986;
Payload Specialist,
NASA/University
of Wisconsin-Madison, Juli 1984 - Dezember 1990; Professor, Washburn
Observatory, University of Wisconsin-Madison, 1986-heute; Director, Space
Astronomy Lab, University of Wisconsin-Madison, 1996-heute; Backup für
mehrere Spacelab-Flüge (
STS-61E,
STS-35).
