This American's landscape painting Gassed shows the aftermath of a mustard gas attack on the Western Front in 1918. This artist was known for portrait painting, such as his works The Daughters of Edward Darley Boit and El Jaleo, but was scandalized by his 1884 paintings of socialite Virginie Gautreau exhibited at the Paris Salon. That painting showed Gautreau posed in a black dress with shoulder straps seemingly about to slide off, while looking off to the right. For 10 points, name this American portrait painter who left Paris after painting The Portrait of Madame
a) John Singer Sargent
b) James Abbott McNeill Whistler
c) Winslow Homer
d) Mary Cassatt