Episode 33
S11 E33 December 30, 1974 1h 0m
Source:
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Guest Stars
Frank Gillard
Narrator
Terrence Hardiman
Trofim Lysenko
David Swift
Vavilov
Simon Lack
Zhukovskii
Richard Ireson
Prezent
George Cormack
Michurin
Forbes Collins
Iakovlev
Richard Beale
Lysenko's father
