In 1965, he co-founded Korth & Korth Law Offices with his father in Washington, DC, where he remained for the next forty years. The firm focused mainly on international law with regard to project finance and trust law. He was a member of the American Bar Association, DC Bar Association, Texas Bar Association, and the American Law Institute.
During his career, Fritz also served as the president of Wilmar Corporation; he was the founder and secretary of the Women’s National Bank; served on the board of directors for Trans Leisure Corporation; served as a Director of the Southwestern Texas and Livestock Show; served on the board of directors for the Traveler’s Aid Society for close to twenty years; served on the Board of the University of the Americas-Puebla for over thirty years. He was also the Treasurer of the National Cathedral for seven years.
Fritz is predeceased by his parents and Verita Korth Sheshunoff. He is survived by his loving companion Angela Abelow, his sister Nina Maria Korth Cole, his three children: Fritz-Alan Korth, Jr., and his wife Mary, Maria Korth Chieffalo, and Major James Frederick Korth, USMC, and his wife Janey. Five grandchildren also survive him: Isabella Percy Chieffalo, Alexander Korth Chieffalo, Henry Elliott Ames, George Oliver Ames, and Heidi Eleanor Korth.
A Memorial Service is planned for 11am on February 11, 2011, at St. Andrew’s Episcopal Church in Fort Worth. A reception will follow afterwards at Joe T. Garcia’s Restaurant. Fritz will be buried under a three century old Texas Live Oak tree on his family ranch, El Retiro, in Ecleto, Texas.