Save this picture!© Robert Ruschak - Western Pennsylvania ConservancyWritten by Vanessa QuirkPublished on June 08, 2012 Share ShareFacebookTwitterMailPinterestWhatsappOrhttps://www.archdaily.com/242851/happy-145th-birthday-frank-lloyd-wright Clipboard "COPY" Copy In 1991, the American Institute of Architects called him, quite simply,“the greatest American architect of all time.”