curprev20:4120:41, 10 September 2023 CAReimerstalkcontribs 19,723 bytes+582 Clarified that the 1970-71 evaluation of self-help housing led by John F. C. Turner was carried out by the Organization for Technical and Social Innovation - OSTI, which was managed by Donald Schon. OSTI was working for the U.S. Department of Housing and Urban Development.undoTags: nowiki addedVisual edit