 Sweet and Sour, from August 5th of 1956. I'm Greg Bell, and next on When Radio Was, we move from the 19th century Wild West into the future, as Exploring Tomorrow presents Murray Leinster's First Contact, right after this break. I am the whistler, and I know many things, for I walk by night. I know many strange tales, hidden in the hearts of men and women who have stepped into the shadows. Yes, I know the nameless terrors of which they dare not speak.