T H E why
filesS T A F F

Terry Devitt

Yael Gen

Darrell Schulte

David Tenenbaum
feature writer

Amy Toburen
content development executive

Susan Trebach
spiritual advisor

Interview subjects
  Alan Harris

Jet Propulsion Laboratory

 *David Lien
visiting assistant professor of physics
Washington and Jefferson University, Washington, Pennsylvania

  Alessandro Morbidelli
researcher, National Council for Scientific Research
Nice, France

  Faith Vilas
asteroid spectrographer
Johnson Space Center, Houston, Texas

  Donald Yeomans
JPL, Near-Earth Asteroid Tracking program

  * denotes factchecker

The Why Files
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