Designer, Eero Saarinen and Associates, Birmingham, MI, and Hamden, CT, 1960-1964; Principal, Thomas Bosworth, Architect, Seattle, WA, 1964- ; Consultant in Architectural Design and Historical Analysis, Seattle, WA, 1974- ;

Bosworth began teaching at the University of Washington, Seattle (UW), in 1968. Chair, University of Washington (UW), Department of Architecture, Seattle, WA, 1968-1972; Bosworth collaborated with UW Professor Astra Zarina (1929-2008) on the development of the University of Washington's Rome Program, c. 1970. Visiting Artist/Scholar, American Academy in Rome, Rome, Italy, 1988; Pietro Belluschi Distinguished Visiting Professor, University of Oregon (U of O), Eugene, OR, Winter 1996; Emeritus Professor, UW, before 2001. At the UW, he taught Graduate and Undergraduate Design Studies; Architectural History (Ancient World); Architectural Appreciation; Thesis Committees; Italian Studies.

Member, King County, Environmental Development Commission, 1970-1975; Member, King County, Steering Advisory Committee for the Kingdome, 1972-1974; Chairman, King County, Policy Development Commission, Seattle, WA, 1975-1977; Member, Board of Directors, Pilchuck School, Stanwood, WA, 1980-1990; Member, Board of Directors, Northwest Institute for Architecture and Urban Studies in Italy, Seattle, WA, 1984-1990; (President of Northwest Institute for Architecture and Urban Studies in Italy, 1984-1985); President, Senior Council, American Institute of Architects (AIA), Seattle Chapter, Seattle, WA, 1989-1990; Member, Advisory Council, The Pilchuck School, Stanwood, WA, 1993- ; Member, Board of Directors, ARCADE, Seattle, AW, 1995- ;

Fellow, Yale University, Ezra Styles College, New Haven, CT, 1963-1990; Fellow, American Institute of Architects (FAIA), 1979; Fellow, American Academy in Rome, Rome, Italy, 1981; First Honor Award, American Wood Council, 1983; Juror, National American Institute of Architects (AIA), Honor Awards Program, 1984;

B.A., Oberlin College, Oberlin, OH, 1952; M.A., Oberlin College, Oberlin, OH, 1954; M.Arch., Yale University, New Haven, CT, 1960.

Bosworth designed 17 buildings at the Pilchuck School of Glass. By 1977, he had built the hot shop, hot shop addition, flat shop, bathhouse, footbridge, director's cottage, and three faculty cabins. He also was responsible for the design of 3 buildings at the Overlake School. According to his resume (1996): Bosworth had designed "...over thirty houses, a fish processing plant & several park buildings." (See 1996 Architectural Program Report to the National Architectural Accrediting Board Submitted by the Department of Architecture, College of Architecture and Urban Planning, University of Washington, [Seattle: UW, 07/1996], p. 312.)