George Washington Carver was a famous scientist during the 1930s. He was an agricultural scientist and pushed for sustainable farming practices. He wanted to train farmers in using crop rotation with nitrogen-fixing plants like peanuts and soybeans. He was also aware of human impacts on the land and promoted techniques that would decrease erosion and increase food production. He met with three American presidents to discuss agricultural policies including Teddy Roosevelt, Calvin Coolidge, and Franklin Roosevelt. 

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