单项选择题

Which would you rather be, a mathematician or an author Perhaps you will never be faced with this kind of choice. Lewis Carroll was both a mathematician and an author. He was a lecturer in mathematics at Oxford University. But he is better known as the author of two of the most famous children’s books that have ever been written (Alice in Wonderland and Through the Looking Glass. The author’s real name was Charles Lutwidge Dodgson, but he preferred to use the penname "Lewis Carroll" when he wrote, and this is the name we remember him by. Alice in Wonderland was published in 1865, when the author was 33 years old; it was followed by Through the Looking Glass in 1871. Both books were written for a real girl called Alice and they have been read by millions of children since they were first published. These stories are about a dream world in which Alice meets strange creatures and has interesting adventures. I’m sure you know this already, but if you don’t you’d better read the stories yourselves.
People know Lewis Carroll mainly for ______.