Dankmar Adler (born July 3, 1844 in Germany; died April 16, 1900 in Chicago, Illinois) was a Jewish architect. Adler was a civil engineer who, with his partner Louis Sullivan, designed are the Chicago Stock Exchange and the Chicago Auditorium. The firm of Adler and Sullivan was instrumental in rebuilding Chicago after the Great Fire and was the leader in the Chicago school of architecture. In addition to his own accomplishments with steel-framed buildings and skyscrapers, he trained Frank Lloyd Wright.