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Born: c. 1906, Died: 11/19/1994

Josaphat (Jozafat) Plater-Zyberk was born in Koenigsberg in what was then East Prussia, the son of Jozafat and Maria Plater-Zyberk, and was trained in the Warsaw Polytechnic Insitute in Poland, earning the equivalent of a master's degree in architecture and engineering in 1935. He began his career in Warsaw, where he opened an office with his older brother Zygmunt. During World War II, he fought with the Polish resistance and emigrated to the United States in 1947. In Philadelphia, he found work as a draftsman in the office of Carroll, Grisdale & Van Alen, and as a draftsman and designer with the Philadelphia Savings Fund Society. He was made a staff architect in the 1950s and remained in that position until the 1970s. Plater-Zyberk also maintained a private architectural practice.

Plater-Zyberk joined the national AIA in 1958 and was a member of the Philadelphia Chapter. He was also a member of the Tredyffrin Township Planning Commission in Chester County. He was the father of the well-known architect Elizabeth Plater-Zyberk, whose practice is in Miami, FL.

Written by Emily T. Cooperman.

Clubs and Membership Organizations

  • American Institute of Architects (AIA)
  • Philadelphia Chapter, AIA

School Affiliations

  • Warsaw Polytechnic Institute (Poland)


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