Journey Of The Universe: Conversations, Episode 2, Galaxies Forming
directed by David Kennard and Patsy Northcutt; produced by David Kennard and Patsy Northcutt, Northcutt Productions and Yale School of Forestry & Environmental Studies; interview by Mary Evelyn Tucker, in Journey Of The Universe: Conversations, Episode 2 (Pottstown, PA: Music Video Distributors, 2013), 21 mins
