The Albert Einstein House at 112 Mercer Street in Princeton, Mercer County, New Jersey, United States was the home of Albert Einstein from 1935 until his death in 1955. His wife Elsa Einstein died in 1936 while living in this house. Albert Einstein reportedly requested that this house not be made a museum, and the family did not want it to be recognized as such. Nonetheless it was added to the National Register of Historic Places and further designated a U.S. National Historic Landmark in 1976.