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1996:

  1. A panel on the discovery of two new planets
    A panel on the discovery of two new planets

    with Wesley T. Huntress, David Helfand and Michael Lemonick on Jan 29, 1996

    Duration
    60 min
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David J. Helfand is chair of the Department of Astronomy at Columbia University as well as the co-director of the Columbia Astrophysics Laboratory. He has also served as part of the university’s Physics Department. Recently, Helfand has been instrumental in the creation of general education classes oriented around the sciences, developing a course, Frontiers of Science that has subsequently become part of the Core Curriculum of Columbia College, the university’s undergraduate liberal arts and sciences division.

Source-Wikipedia http://en.wikipedia.org/wiki/David_Helfand