James Moriarty

James Moriarty was the arch enemy of Sherlock Holmes.

Biography
In order to investigate Maupertuis, Moriarty used the alias O'Connor and donned a ginger wig as part of his disguise. He also wrote a paper on the mathematics of folding higher dimensions. (NA: All-Consuming Fire)

Moriarty died in 1893. (OBIW: The Found World)