Male, US, born 1945, died 2016

Associated with the firms network

Tonkin Hoyne Lokan, Incorporated, Architects; Tonkin and Greissinger, Architects; Tonkin/Hoyne Architecture and Urban Design

Professional History


Partner, Tonkin-Greissinger Architects, Seattle, WA, 1972-

Partner, Tonkin Hoyne Lokan, Architects, Seattle, WA;

Partner, Tonkin/Hoyne, Architecture and Urban Design, Seattle, WA;

Partner, Tonkin Architects, Seattle, WA, 2013- .

Professional Activities

Architect, WA, Certificate No. 1846; Architect, AZ, Certificate No. 15107; NCARB, 1991, No. 41397.

Member, Historic Seattle, Council, Seattle, WA, 1992-2002.

Member, Fort Lawton Preservation Council, Seattle, WA, c. 1984. (See Jack Broom, "Insults fly in meeting on fate of Fort Lawton buildings," Seattle Times, 07/20/1984, p. B19 [37].)

According to his biography on the Tonkin Architects web site, "In the early 1980s, Les became actively involved with the Washington Trust for Historic Preservation, serving on the volunteer Trust board and subsequently as vice-president and president."

Professional Awards

Tonkin was honored after his death by Historic Seattle at its Annual Preservation Awards Ceremony in 2016.



B. Arch., University of Oregon (U of O), Eugene, OR, 1966.



Tonkin attended college in Eugene, OR, at the University of Oregon.

PCAD id: 2437