Hans Daedalus has defected from East Germany to the West. Is it possible that his opacity equations live on after his death?
Cast:
Michael Bryant, Megs Jenkins, Peter Sallis, Estelle Kohler, Richard Hurndall
Production:
BBC
Sam McInstrey
Eileen Gray
Major Venables
Mary Stannage
Sherborne
Hans Daedalus
Madge Baxter
Perry
Sergeant Riley
Woman at Seance
