Simplify the following text for a Grade 8 native English-speaking person.
Original: The `` Pop Chronicles of the 1940s '' was produced by John Gilliland and broadcast on KSFO ( AM ) while he worked there beginning in 1972 and 1976 .
Simplified: San Francisco radio station KSFO broadcast the `` Pop Chronicles of the 1940s '' in 1972 and 1976 .