Mark Rothko
 /ˌmɑːk ˈrɒθkəʊ/
  /ˌmɑːrk ˈrɑːθkəʊ/
- (1903-70) a US painter, born in Russia, who was a leading figure in the abstract expressionism movement. He was known for producing very large pictures in which bands of strong colour with soft edges are arranged vertically, creating a calm effect.