Benjamin Banneker
In September of 1791.
The Capital at Washington DC.
Washington DC was created as a unique territory or "federal district" in 1791.
January 24th, 1791
The African American mathematician that assisted in the survey of Washington DC was Benjamin Banneker. In addition to being a mathematician, Banneker was also an astronomer.
Benjamin Banneker
Benjamin Banneker joined Major Andrew Ellicott's expedition to survey the boundaries for the future District of Columbia in 1791. The survey was commissioned at the request of Thomas Jefferson and continued until 1792.
Benjamin Banneker
Maybe Benjamin Banneker
Benjamin Banneker
Benjamin Banneker
benjamin banneker