Character mistake: The professor identifies the "sea monsters" as plesiosaurs from the Pleistocene. Plesiosaurs became extinct at the end of the age of dinosaurs, nearly 60 million years before the Pleistocene. Of course, the Loch Ness Monster might be an exception.

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Jonathan Brock: We had much in common, your husband and I. I found his ideas original and provocative. I just wish I'd gotten to know him better.
Martha Dennison: Me too.

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