It is buried in there somewhere...between '75 - '82 Herbert Beckhard, Breuer's associate, gutted and added on as featured in AR Houses 1981.
The current owners removed most of Beckhard's work and constructed a new freestanding addition designed by Toshiko Mori.
Famous Architects
Links: savingplaces.org, en.wikipedia.org, breuer.syr.edu
By: pmoore66
Featured in "The Harvard Five in New Canaan" by William D. Earls, AIA: http://www.amazon.com/Harvard-Five-New-Canaan-Midcentury/dp/0393731839/ref=sr_1_1?s=books&ie=UTF8&qid=1325264175&sr=1-1.