Worthmann & Steinbach was a Chicago-based architectural firm that was active from 1903 through 1928. It was a partnership between (June 18, 1857 – April 11, 1946) and (b. 1878) The firm is best remembered for its design of large and elaborate churches in the Chicago area which were built for Roman Catholic, Eastern Catholic, and Lutheranclients. Worthmann and Steinbach were also active outside of Chicago and eventually built for clients in Indiana, Michigan and Wisconsin.