Tweedledum: "I know what you’re thinking about, but it isn’t so, nohow."
Tweedledee: "Contrariwise, if it was so, it might be; and if it were so, it would be: but as it isn’t, it ain’t. That’s logic."
If Charles Dodgson (Lewis Carroll) had not written Alice’s Adventures in Wonderland and Through the Looking-Glass, he’d probably be remembered as a pioneer photographer. But his Oxford ‘day job’ was as Lecturer in Mathematics at Christ Church. What mathematics did he do? Find out in the latest in our poster series of Oxford Mathematicians.
