National Academy of Sciences

Historical marker location:

2101 Constitution Avenue Northwest, Foggy Bottom, District of Columbia

( Marker is on Constitution Avenue Northwest (U.S. 50) west of 21st Street Northwest, on the right when traveling west.)

The District was originally much larger: The District of Columbia originally included land from both Maryland and Virginia, but in 1846, the portion of the District that had been taken from Virginia was returned to the state.