Jefferson wrote back and was impressed enough with Ben
that when Washington decided to move the capital to D.C.,
Jefferson recommended Banneker to be part of the design team.
this turned out to be fortunate for America
because when the cheif designer, Pierre Charles L'Enfant quit the project
and took his maps and designs back to France,
Benjamin Banneker sketched out all of L'Enfant's plans.
completely by memory.
flipped their wigs
one might say.