The Professor's Portrait

The Professor's Portrait is an unofficial short story written by “FantasmaTraNoi”.

Plot
On the evening of the next day after Basil of Baker Street's confrontation with Professor Ratigan, Olivia Flaversham wonders why Basil kept a portrait of such a vile being in his own flat. Basil, initially reluctant to answer, finally decides to finally tell the tale of how he first met Ratigan during his studies and how before he learnt of Ratigan's true evil, the mastermind had been his mentor and closest friend at Oxford.

Trivia

 * It can be read here.