Donald F. Kettl and Susan C. Kettl have listed for sale a two-bedroom, two-bath condo at 1600 Arch St. Unit #1418 in Center City West for $669,000.

Tom Englett of Prudential Fox & Roach Realtors is the listing agent. The 1,277-square-foot Unit #1418 is in The Phoenix.

Mr. Kettle is a professor of political science at the University of Pennsylvania. A regular columnist for Governing magazine, he has written articles and books on public policy and public administration. He is also a non-resident senior fellow at Washington's Brookings Institution, executive director of the Century Foundation's Project. He has also served as consultants to government agencies in the U.S. and abroad.

He received his M.A. in 1976 and Ph.D. in 1978 from Yale University.

The Phoenix, which was built in 1925 and renovated in 2002, features 267 units.

There were 309 condo sales in Center City West in 2008, with a median sales price of $356,900.

Address: 1600 Arch Street
Buyer(s): Wachovia Mortgage Corporation
Seller(s): Trustees Of The University Of Pennsylvania
Sale date: Mar. 11, 2008