This oral history interview with Thayne J. Logan was conducted by Linda S. Dodds and Richard E. Ritz at Logan’s home in Portland, Oregon, on January 3, 1990. Helen S. Logan was also present and occasionally contributed to the interview.

In this interview, Logan discusses his family background and early life in Joplin, Missouri, and in Portland, including his education at Benson High School and his early interest in architecture. He then talks about working for Northwest Steel as a draftsman during World War I. He discusses his early career as an architectural illustrator in Idaho and Oregon, including architects he worked with, particularly Carl L. Linde, and buildings he helped design.