According to the Maryland Center for History and Culture (MdHS), Benjamin Banneker was a self-taught, free African American tobacco farmer, whose brilliance in astronomy and mathematics garnered the attention of the most powerful white men in the new nation. With the approval of Thomas Jefferson, Andrew Ellicott enlisted Banneker to assist in surveying the territory which was to become the District of Columbia. After the survey’s completion, Banneker would go on to engage in a correspondence with Jefferson about the equal abilities of men of African descent.