- George D. Birkhoff House
Infobox_nrhp | name =George D. Birkhoff House
nrhp_type =nhl
caption =
location= 22 Craigie,Cambridge, Massachusetts
lat_degrees = 42
lat_minutes = 22
lat_seconds = 41.49
lat_direction = N
long_degrees = 71
long_minutes = 7
long_seconds = 42.24
long_direction = W
locmapin = Massachusetts
area =
built =1912
architect= Unknown
architecture= Late 19th And 20th Century Revivals, Other
designated=January 15 ,1975 cite web|url=http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=1532&ResourceType=Building
title=George D. Birkhoff House |accessdate=2008-07-12|work=National Historic Landmark summary listing|publisher=National Park Service]
added =May 15 ,1975 cite web|url=http://www.nr.nps.gov/|title=National Register Information System|date=2007-01-23|work=National Register of Historic Places|publisher=National Park Service]
governing_body = Private
refnum=75000295The George D. Birkhoff House is a historic house located at 22 Craigie Street,Cambridge, Massachusetts . It is aNational Historic Landmark .The house is notable for its associations with former resident Dr.
George David Birkhoff , an eminent mathematician andHarvard University professor. Birkhoff solved thePoincare's last theorem problem.It was declared a
National Historic Landmark in 1975.citation|title=PDFlink| [http://pdfhost.focus.nps.gov/docs/NHLS/Text/75000295.pdf National Register of Historic Places Inventory-Nomination: George D. Birkhoff Residence / 22 Craigie] |32 KB|date=March, 1975 |author=James Sheire |publisher=National Park Service and PDFlink| [http://pdfhost.focus.nps.gov/docs/NHLS/Photos/75000295.pdf "Accompanying one photo, exterior, from 1975"] |32 KB]See also
*
List of National Historic Landmarks in Massachusetts
*List of Registered Historic Places in Middlesex County, Massachusetts References
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