Lewis Carroll, an Oxford Don with a double first degree, was such an interesting person, right from his study [0] of geometry, algebra [1], to his incessant word play and pioneering forays in the then new field of photography.

Anyone interested in this ought to read Martin Gardner's book Annotated Alice https://en.wikipedia.org/wiki/The_Annotated_Alice

Let me add a few links that might be interesting:

Real Life Adventures of an Oxford Don https://www.csmonitor.com/1995/1120/20122.html

In the Shadow of the Dreamchild https://en.wikipedia.org/wiki/In_the_Shadow_of_the_Dreamchil...

How Lewis Carroll computed determinants https://www.johndcook.com/blog/2023/07/10/lewis-carroll-dete...

Condensation of Determinants, Being a New and Brief Method for Computing their Arithmetical Values https://www.gutenberg.org/files/37354/37354-pdf.pdf (cited by John D Cook in his article)

[0] Lewis Carroll's Mathematical works https://en.wikipedia.org/wiki/Lewis_Carroll#Mathematical_wor...

[1] Dodgson condensation https://en.wikipedia.org/wiki/Dodgson_condensation