Based on [0] and [1] I'd say Professor Dave Bryer.
[0] https://web.archive.org/web/20121112081753/http://www.telegr...
[1] https://simonsingh.net/media/articles/maths-and-science/erdo...
[2] https://www.imdb.com/name/nm1101413/?ref_=ttfc_fc_cl_t41
[0] https://web.archive.org/web/20121112081753/http://www.telegr...
[1] https://simonsingh.net/media/articles/maths-and-science/erdo...
[2] https://www.imdb.com/name/nm1101413/?ref_=ttfc_fc_cl_t41
Then again, "It's my turn" has a proof of the snake lemma in it! :-) (but the scene is much less realistic)