Diego Rivera was a Mexican muralist born in 1886 who was influenced by cubism and post-impressionism during trips to Europe. In 1931, Rivera was commissioned by the Museum of Modern Art in New York to create portable murals and additional wall paintings using New York subjects. The themes of Rivera's murals for MoMA revolved around social revolution, inequality, and the working class conditions during the Great Depression. Some of the murals Rivera created for MoMA included Indian Warrior, Agrarian Leader Zapata, Uprising, and Man at the Crossroads.