I never heard of Hale Woodruff before. He was an African-American artist and taught at Atlanta University and NYU.
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One of the things he painted were murals at Talladega College. This was a black college, and he painted the murals on the centennial of the mutiny on the slave ship La Amistad. Of the six large murals (two are 6 1/2 feet by 80 feet), 3 represent the mutiny, trial and return to Africa of La Amistad's Africans. The other 3 represent the underground railroad, the founding of the Talladega College and the building of the slave library.
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They are very much in Diego Rivera's style (he was a student of Rivera), although much more colorful and celebratory.
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It was very cool.