Munkacsy
From Tardis Wiki, the free Doctor Who reference
Munkacsy was an artist who created the "masterpiece" Ecce Homo, which was on display in London at a gallery on New Bond Street. An advert for the gallery appeared in an 1890s copy of The Times. (TV: Deep Breath)
Behind the scenes
Although his first name is not given in the episode, this is Mihály Munkácsy.