July 13, 1954 was the most tragic day of my life. I had lost my beloved Frida forever. To late now I realized that the most wonderful part of my life had been my love for Frida.

December 8 1886 – November 24 1957) was a prominent Mexican painter and husband of Frida Kahlo (1929–39 and 1940–54). who would soon become Rivera's friend and patron as well as the founding director of the Museum of Modern Art. In 1931 a retrospective exhibition of his works was held at the Museum of Modern Art in New York City.

His large wall works in fresco helped establish the Mexican Mural Movement in Mexican art. Between 1922 and 1953 Rivera painted murals among others in Mexico City Chapingo Cuernavaca San Francisco Detroit and New York City. Diego Rivera (in Spanish: Diego María de la Concepción Juan Nepomuceno Estanislao de la Rivera y Barrientos Acosta y Rodríguez.