See mention of Srinivasa Ramanujan below (also more on his life at

http://gadgets.ndtv.com/others/news/google-doodles-srinivasa-ramanujans-125th-birthday-308606)
Have a look at -

http://www.oxford-royale.co.uk/articles/oxford-mathematicians-help-sherlock-holmes-2.html
Excerpt -

Alain Goriely and Derek Moulton, mathematicians from Oxford's Mathematical Institute, were asked to invent some nineteenth-century equations to write on Professor Moriarty's blackboard for the film Sherlock Holmes: A Game of Thrones. Their equations, transcribed by an expert in nineteenth-century handwriting, are visible in the background in a scene in which Holmes confronts his nemesis.

Sherlock Holmes enthusiasts have speculated that the evil Moriarty may, in fact, be based on elements of leading nineteenth-century mathematicians, including figures such as the American astronomer Simon Newcomb and mathematicians such as Carl Friedrich Gauss and Srinivasa Ramanujan.

Dr Goriely said, "On the board you have different aspects of his work, works on the binomial theorem, one on the dynamics of asteroids. Hopefully they are all mathematically correct. You can see all his equations and also you should see hints of the code he uses to encode his [secret] messages to his crew."

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