In 1922 Chicago’s famous daily newspaper The Chicago Tribune launched an international competition for its new headquarters, which were to be built on Michigan Avenue. Carefully strategized as a media event, the call for proposals attracted both interest from the general public and a massive participation of 263 architects from the US and abroad.
http://thecityasaproject.org/2011/10/the-barest-form-in-which-architecture-can-exist-some-notes-on-ludwig-hilberseimer%e2%80%99s-proposal-for-the-chicago-tribune-building/
