Dave Callan TripleJ, with live commentary. He plays the character of a sports commentator in the 2012 Australian comedy film "Reverse Runner". Dave Callan David Gerard Callan (born 20 September 1975 in Dundalk, Ireland) is a comedian based in Melbourne, Australia. Up until 2010 he worked as a Triple J disc jockey. Callan was born in Dundalk, Ireland, and arrived in Australia in 1990, aged 15. He spent part of his teenage years in Perth where he attended Chisholm Catholic College. Callan hosted the mid-dawn shift at Triple J on Sundays from 1am to 6am for most of 2005, until it was
Curtis Callan students include Philip Argyres, Vijay Balasubramanian, William E. Caswell, Peter Woit, Igor Klebanov, Juan Maldacena, Larus Thorlacius, Alberto Güijosa and Justin B. Kinney. Callan is best known for his work on broken scale invariance (Callan–Symanzik equation) and has also made leading contributions to quantum field theory and string theory in the areas of dyon-fermion dynamics, string solitons and black holes. Callan has been a member of the JASON defense advisory group since 1968, and was chair of the group from 1990 to 1995. He served as president of the American Physical Society in 2010. Curtis Callan Curtis Gove Callan Jr.