Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the following individual:

Lived: c. 1860 - 1943
Improved the agricultural economy of the United States by promoting nitrogen-providing peanuts as an alternative crop to cotton to prevent soil depletion.
Rosalind Franklin
Benjamin Banneker
George Washington Carver
Henry Moseley