The Fairy Feller’s Master-Stroke is a painting by English artist Richard Dadd. It was begun in 1855 and worked on until 1864. Dadd painted it while incarcerated in the State Criminal Lunatic Asylum of Bethlem Royal Hospital, where he was confined after he murdered his father in 1843. It was commissioned by George Henry Haydon, who was head steward of the hospital at the time.