Reima Pietilä, Finnish architect, co-designed the Kaleva Church (b. 1923)
Frans Reima Ilmari Pietilä (25 August 1923 – 26 August 1993) was a Finnish architect and theorist. He did most of his work together with his wife Raili Pietilä (Raili Inkeri Marjatta née Paatelainen, 15 August 1926 – 16 May 2021); indeed, after 1963 all their works were officially attributed to "Raili and Reima Pietilä". Reima Pietilä was a professor of architecture at the University of Oulu from 1973 to 1979.