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In page María Izquierdo (artist):

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In 1945, Izquierdo became the first woman to be granted a major governmental mural commission, in the central stairwell of the Department of the Federal District government building. In the initial stages of its execution, however, Mexico City's governor revoked the commission due to the interference of Rivera and David Alfaro Siqueiros, who claimed that Izquierdo lacked the necessary experience for such a high-profile project.[citation needed]