The Baltimore Sun reports that William Boulton "Bo" Kelly Jr., the Baltimore architect and civic leader who founded the city's Commission for Historical and Architectural Preservation and designed some its most famous buildings, died on Aug. 1. He was 84.

The Harvard-educated architect worked with the Baltimore Urban Housing Association as a city planner before founding Tatar & Kelly, a firm that went on to design important buildings in Baltimore, Towson, and beyond. Some of the firms notable works include the Waxter Center, the Baltimore Post Office, and the Towson University administration building. The firm also restored the Pimlico Race Course clubhouse and the Babe Ruth House, according to The Baltimore Sun.

His work as a preservationist is also remembered in Baltimore. Kelly founded Baltimore Heritage and helped to found the Commission for Historical and Architectural Preservation. As a conservator, he worked on the Field Museum in Chicago and the Washington Monument in Baltimore. He became the executive director of the National Building Museum at its inception.