Rex Martin Ball, FAIA, joined the Oklahoma-based architecture and engineering firm HTB Inc. in 1958, eventually becoming its CEO; in 1994, he became chairman emeritus of the firm. During his tenure, the firm’s work included the renovation of the National Press Building in Washington, D.C., modernization and renovation projects for the U.S. military, and numerous projects in Oklahoma. Ball served on the Tulsa Metropolitan Area Planning Commission from 1969 to 1971, and later was a member of the Oklahoma City and Tulsa Chambers of Commerce. He was the president of the Tulsa Historic Preservation Commission and the co-founder and president of the Tulsa Art Deco Society. He served on the University of Oklahoma’s Board of Visitors for the College of Architecture for two terms and was also a long-standing member of the Urban Land Institute and the American Institute of Certified Planners. Ball received his undergraduate degree in architecture from Oklahoma State University in 1956 and a master’s degree in architecture from the Massachusetts Institute of Technology in 1958.