What will technology bring us? [See learning resources here.](https://smarthistory.org/seeing-america-2/diego-rivera-man-controller-of-the-universe/) Diego Rivera, _Man Controller of the Universe (or Man in the Time Machine)_ , 1934, fresco, 4.85 x 11.45 m in the Palacio de Bellas Artes, Mexico City Speakers: Dr. Beth Harris and Dr. Steven Zucker
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