Philip Langill (b. 1961) is a Canadian associate professor of astronomy and physics at the University of Calgary and the director of the Rothney Astrophysical Observatory (RAO). Phil's research interests include the follow-up of optical transients and the observation of occultations of transneptunian objects as well as public outreach at the RAO.
Reference: WGSBN Bulletin, volume 5, number 3, page 20