Season 7, Episode 7: Dr Ian Tattersall on Evolution plus NYC in the 1860s with Ken Ackerman & Ted Hamm Sep 7 Written By Sarah Kunstler Randy CredicoKen AckermanTed HammIan Tattersall Sarah Kunstler
Season 7, Episode 7: Dr Ian Tattersall on Evolution plus NYC in the 1860s with Ken Ackerman & Ted Hamm Sep 7 Written By Sarah Kunstler Randy CredicoKen AckermanTed HammIan Tattersall Sarah Kunstler