[["George Washington Carver was an American agricultural scientist and inventor who promoted alternative crops to cotton and methods to prevent soil depletion. He was the most prominent black scientist of the early 20th century.", 258.0], ["George Washington Carver was an American agricultural scientist and inventor. While a professor at the Tuskegee Institute, Carver studied techniques such as crop rotation to improve soils depleted by repeated plantings of cotton. ", 69.0], ["George Washington Carver was an African-American agricultural scientist and inventor.", 30.0]]
who was george washington carver
history,presidents,lincoln