Benjamin+Banneker

Benjamin Banneker was an African American who grew up free on his family's farm in Maryland. He was an astronomer, surveyer, inventor, and author of almanacs. Benjamin Banneker, in 1790 was on a surveying team for the capital.When Pierre L'Enfant who was the head designer quit and took the plans with him. Benjamin made a new copy.He saved the project from a serious setback.