Member of an small group formed in 1848 to oppose the dominant conventions of the Victorian art world (3-10)
I believe the answer is:
pre-raphaelite
(Other definitions for pre-raphaelite that I've seen before include "Eg, Millais or Rossetti" , "Victorian artist such as Millais" , "Painter such as Millais" , "English artist such as Holman Hunt or Dante Gabriel Rossetti" , "Victorian artist, such as Dante Gabriel Rossetti" .)