Thaddeus Longstreth (1909-1997)

*Born in Cincinnati/ bachelor's degree Yale 1933/ MFA Princeton's Graduate School of Architecture 1941/  After serving in the U.S. Navy Longstreth entered the office of Richard Neutra in 1946, while there he worked on several projects including the Edgar Kaufmann home in Palm Springs, CA.  Thaddeus moved to Philadelphia in 1947 working with Oscar Stonorov and with Vincent Kling participating in the Lankenau Hospital project.  He opened his own office in Washington Crossing, PA in 1950.  Starting in 1953 Longstreth collaborated with Neutra on several houses in the region, and was the resident supervising architect for Neutra & Alexander.  He retired from practice in 1980. * bio material from the Thaddeus Longstreth Collection, The Architectureal Archives, University of PA.


Plough House  1958
Plough, Mr. and Mrs. Paul H. Jr.

Cook Residence 1963, Washington Crossing Pa

Johns Residence 1965, Bryn Athyn Pa

Dashen House 1969
Dashen, Dr and Mrs. Rodger


Overview of Philadelphia Area Mid-Century Modern Residential Architecture  (below on this page)   Photo overview   followed by brief written overview of Philadelphia mid-century architects  .

Time Line  of area modern homes from 1930's to today
 Mid-Century Modern Homes
Architects Who Designed Mid-Century Modern Homes in the Philadelphia Region    
 photographs of the regional homes designed by each architect are included
 Allan Berkowitz  Louis Kahn  George Nakashima
 Edward Bernstein  Vincent Kling  Richard Neutra
 Robert Bishop  Thaddeus Longstreth  Norman Rice
Frank Boyer  William Lescaze  Paul Rudolph
 Marcel Breuer  Joel Levinson  Galen Schlosser
 Armand Carroll  Thomas Mangan  Harry Sternfeld
 Albert Clauss  Irving Maitin  Irwin Stein
 Nathan Cronheim  George Mebus  Oscar Stonorov
 George Daub  Ehrman Mitchell  Frank Weise
 Kenneth Day  Newcomb Montgomery  Frank Lloyd Wright
Agoos/ Lovera LaVardera, Greg Re:Vision Architecture
Bloomfield and Associates M. G. Leach Rosenblum, Martin
Bower Lewis Thrower Metcalfe Architecture Stanev Potts
Culbert, Doug McDonald, Tim/Onion Flats Tarantino Studio
Erdy McHenry Moto Design Shop Verner, Steven
Interface Studio QB3 Webber, Brett
Jibe Design Michael Ryan Architects Wesley Wei Architects
Kieran Timberlake Rasmussen/Su Wesley Architects
Krieger & Associates
Wyant Architecture

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