 After retiring in 1981, Cronkite remained active and prominent in the media, advising an eponymous journalism school at Arizona State University , writing books, recording voice-overs for the film Apollo 13 , and making guest appearances on the newsroom-based sitcoms The Mary Tyler Moore Show and Murphy Brown . Cronkite was also an avid sailor.
<clarity>  After retiring in 1981, Cronkite remained active and prominent in the media, advising an eponymous journalism school at Arizona State University , writing books, recording voice-overs for the film Apollo 13 , and making guest appearances on the newsroom-based sitcoms The Mary Tyler Moore Show and Murphy Brown . Cronkite was also an avid sailor.
 After retiring in 1981, Cronkite remained active and prominent in the media, advising an eponymous at , writing books, recording voice-overs for the film Apollo 13 , and making guest appearances on the newsroom-based sitcoms The Mary Tyler Moore Show and Murphy Brown . Cronkite was also an avid sailor.