Joel Weisman talks with John Callaway in this 1974 audition tape produced prior to Weisman being hired to work on WTTW’s Public News Center.

George McGovern, who ran unsuccessfully as the Democratic Party nominee for president in 1972, died Sunday at the age of 90. We revisit his 1978 conversation with John Callaway, where McGovern talks about an Illinois politician who was his inspiration from John Callaway Interviews.

Julia Childs appears in a 1978 episode of John Callaway Interviews and a 2001 episode of Chicago Tonight.

Legendary journalist Mike Wallace died Saturday at the age of 93. We look back at a conversation Wallace had with the late John Callaway back in 1983.