Callan (film) film with a Dolby-encoded optical soundtrack. The film's original reaction was mixed to positive. Callan (film) Callan is an exciting 1974 British thriller film directed by Don Sharp and starring Edward Woodward, Eric Porter and Carl Möhner. It was based on the ITV television series "Callan" which ran from 1967 to 1972. David Callan (Edward Woodward), a leading intelligence agent/assassin in the employment of the S.I.S., was forced into retirement when he lost his nerve. Now, he is called back into service to handle the assassination of Schneider, a German businessman. Colonel Hunter (Eric Porter), his former employer, promises Callan
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.