Frank continues to influence the way architects design buildings. He continued designing buildings beyond the 1920's. Some of the works beyond this time are the Boomer Residence in Arizona (1953), the Hanna Residence in California (1936), and the Unitarian Meeting House in Wisconsin (1947-1951). He had a 70 year career of designing. He continued designing into the 1950's but died April 9, 1959 in Phoenix, Arizona.