Collins S. Keller (Jr.) was born in Carlisle, PA, the son of S. Mae Mumper and T. C. Stevenson Keller, and graduated from Carlisle High School. Keller enrolled in the University of Pennsylvania in 1939. In 1943, he studied basic engineering at the University of Minnesota as part of his training for service in the U. S. Army Corps during World War II. After the war, he returned to Penn and earned a B.Arch. in 1947.
Keller began his career as a draftsman, working briefly in the office of Richard R. Neely, and then for Jack S. Steele Co., where he stayed from 1947 until 1952. Keller then worked as a designer and draftsman for Robert Montgomery Brown for four years. From 1956 to 1957 Keller found drafting work with the Wilmington, DE firm of Victorine & Samuel Homsey.
In 1957, Keller joined Carroll, Grisdale & Van Alen, where he rose from draftsman to participating associate. He was made a partner in the successor firm, J. Roy Carroll, Jr. & Partners, established in 1973.
Keller joined the national AIA in 1970 and was a member of Philadelphia Chapter. He was the secretary of the Borough Planning Commission of Swarthmore, PA from 1959 until 1969.
Emily T. Cooperman, and
Rima M. Girnius.
Clubs and Membership Organizations
- American Institute of Architects (AIA)
- Philadelphia Chapter, AIA
- University of Pennsylvania
- University of Minnesota
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