Robert Young and Jean Vander Pyl

The comedy series Father Knows Best began on NBC Radio. Set in the Midwest,
it starred Robert Young as the General Insurance agent Jim Anderson. His wife
Margaret was first portrayed by June Whitley and later by Jean Vander Pyl. The 
Anderson children were Betty (Rhonda Williams), Bud (Ted Donaldson), and
Kathy (Norma Jean Nillson).The program was sponsored through most of its
run by General Foods and was heard Thursday evenings until March 25,
1954. It made the transition to television that same year.