Mary Richardson, who attacked The Toilet of Venue (Rokeby Venus) in 1914, compared the physical beauty of the woman in the painting to the beautiful character of:

Emmeline Pankhurst

Explanation:

Emmeline Pankhurst was one of the founders of the British suffrage movement. The name of "Mrs. Pankhurst", more than any other, is associated with the struggle for the right to vote for upper-middle-class women in the period immediately before World War I. Ms. Pankhurst's tactics for attracting attention to the movement resulted in imprisonment several times, but because of her high profile, she did not experience the same deprivation as other suffragette colleagues (although she experienced forced feeding after a hunger strike).