Trivia: It seems like a mistake, but it really isn't: Director Nicholas Meyer, in his DVD audio commentary, points out that the time machine should not have stayed in London and rightfully did belong where it ended up - in a museum in San Francisco. This is plausible not because of alternate dimensions or time zones, he explains, but because the machine was crated up and shipped there by museum curators after H.G. Wells' death/disappearance.
Trivia: All three of the children of the real H.G. Wells were still alive at the time of this film's release.
Answer: She was joking, but it seems to imply that she intends to influence his political views regarding socialism, global war, women's rights, etc. which the real H.G. Wells wrote about.
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Also, H.G. Wells' second wife was named Amy Robbins, the same name as the Amy in the film, which would further indicate she did not change her name to Susan B. Anthony.
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