George D. Birkhoff HouseEdit profile
The George D. Birkhoff House is a historic house located at 22 Craigie Street, Cambridge, Massachusetts. It is a National Historic Landmark.
The house is notable for its associations with former resident Dr. George David Birkhoff, an eminent mathematician and Harvard University professor. Among other things, Birkhoff solved Poincaré's last geometric theorem.
It was declared a National Historic Landmark in 1975.