While George Washington Carver wasn't exactly a scientist in the traditional sense, he was a brilliant agriculturalist, botanist, and chemist. He's best known for his work with peanuts and sweet potatoes.

Here's a breakdown of his key discoveries and contributions:

* Hundreds of products from peanuts: Carver discovered over 300 uses for peanuts, including peanut butter, milk, flour, and cosmetics. This was crucial for Southern farmers who relied on cotton, as it helped them diversify their crops and fight the boll weevil infestation.

* Uses for sweet potatoes: He also found over 100 uses for sweet potatoes, including starch, syrup, and even artificial rubber.

* Soil conservation and crop rotation: Carver championed crop rotation to improve soil health and prevent soil depletion, a vital practice for sustainable agriculture.

* Agriculture education: He dedicated his life to educating farmers, especially African Americans, on innovative agricultural practices and the value of scientific knowledge.

While Carver didn't make groundbreaking scientific discoveries in the way a chemist or physicist might, his work had a profound impact on agriculture, food security, and the lives of farmers across the United States.