National Mall Walking Tour with an Original Surveyor
Benjamin Banneker was a free-born descendent of African slaves who was not only a mathematician, clockmaker, astronomer and publisher, but also had a near photographic memory. Some historians consider him the first African-American scientist.
Raised on a tobacco farm in Maryland, he was self-taught in the sciences and problem-solving skills.
From 1792 to 1797, he was appointed to assist DC urban planner Pierre Charles L’Enfant in surveying and planning the land that was to become Washington, D.C.
Working closely L’Enfant before he quit over bureaucratic frustration and taking the only printed plans to the city with him, legend has it that Banneker …read more

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