The 1,215-square-foot house was built in 1958.
Dr. Sutphen is a board certified radiologist affiliated with Lawrence & Memorial Hospital.
He completed his medical degree from The Ohio State University College of Medicine.
John L. Walkup was a principal engineer at Electric Boat division of General Dynamics in New London. He also served in the U.S. Navy.
He obtained a B.S. from the Worcester Polytechnic Institute.
He passed away in March 2012.
According to BlockShopper.com, there have been 266 home sales in Groton during the past 12 months, with a median sales price of $195,000.
Address: 60 Hillside Avenue
Buyer(s): John H Sutphen
Seller(s): John L Walkup (Estate)
Sale date: May. 11, 2012