 The postwar era of the 1940s and 1950s saw a rebirth of the market for vast institutional facilities and public works structures as Chicago struggled to keep pace with its booming population.To accommodate the growing need for health-care facilities, McHugh built additions to Cook County Hospital and a residence hall for Rush-Presbyterian St. Luke's Medical Center in 1955.In the late 1950s, McHugh continued to centralize and grow in Chicago.