When did Horizon Season 3 Episode 23 air?
Horizon Season 3 Episode 23 aired on December 19, 1966.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
The survival of Britain as an industrial power depends of science and on scientists. But are our scientists paid enough to attract them into the right jobs?
Direct answers for episode-level questions and details.
Horizon Season 3 Episode 23 aired on December 19, 1966.
This episode runs for approximately 60 minutes.
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