29 July 2015: Boeing to Donate $20 Million toward Kennedy Center Expansion 28 July 2015: New 32BNY Videopolemic - Educating Architecture: Elia Zenghelis 17 July 2015: Steven Holl Breaks Ground for the Ex of In House 16 July 2015: Steven Holl Architect's Expansion of the Kennedy Center for Performing Arts Approved 10 June 2015: Steven Holl Architects breaks ground for Maggie's Cancer Centre in London.