Clarence S. Thalheimer was born in Philadelphia and graduated from Central High School before attending the Drexel Institue and the University of Pennsylvania on a part-time basis from 1916 to 1920. In 1917 he was employed by Rankin & Kellogg in the summer months, according to the Rankin & Kellogg Payroll Book preserved in The Athenaeum of Philadelphia. According to his Philadelphia Inquirer obituary, he also worked in the office of John T. Windrim from 1919 until 1924, when he and fellow Penn alumnus David Weitz, who was also in Windrim's office then, organized Thalheimer & Weitz. He was later joined in the firm by his son, Jack A. Thalheimer, and in 1967 retired from active practice.
Thalheimer joined the national AIA in 1926 and was a member of the Philadelphia Chapter. He was also a member of the American Arbitration Association, and served on the State Board of Examiners of Architects.
Sandra L. Tatman, and
Emily T. Cooperman.
Clubs and Membership Organizations
- American Institute of Architects (AIA)
- Pittsburgh Chapter, AIA
- American Arbitration Association
- University of Pennsylvania
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