Suggest an edit11:00Play School: Science DayBBC Two Fri 26th Mar 1971, 11:00 on BBC Two EnglandToday's story is "The Big River" by Elizabeth and Gerald RoseContributorsPresenter:Diane DorganPresenter:Johnny BallAuthor (The Big River):Elizabeth RoseAuthor (The Big River):Gerald RosePianist:Harry HaywardDesigner:Barbara GosnoldScriptwriter:Ann ReayProduction:Michael Grafton-RobinsonSeries Producer:Cynthia Felgate Source: Radio Times Suggest an edit