He thought he saw an Anthropoid

Listening to the Clive Merrison version of The Creeping Man just now, I thought of another Oxbridge don in love with an Alice many years his junior who might have resorted to rejuvenating serums...

In fact though, the difference in age between Professor Presbury and Alice Morphy is 37 years, whereas Dodgson was only 20 years older than Alice Liddell.