Robert Katz, 90, of Westport, Conn., died on May 25. He was the husband of Ray (Kriger) Katz. Born in Fauresmith, Orange Free State, South Africa, he was the son of the late August and Frieda (Prager) Katz. He grew up in Fauresmith and Cape Town, South Africa. During World War II he served as an air mechanic, air mechanic instructor, and non-commissioned officer in the South African Air Force. He was awarded the Africa Service Medal in 1944. He graduated from the University of Cape Town (UCT) with a Bachelor of Science degree in Civil Engineering, and was appointed assistant professor in the Department of Civil Engineering at UCT. He designed factory machinery and worked for the Engineering Department of the Cape Town City Council from 1945 to 1948. While at the Council he designed and built a pavilion at the City Hall for the 1947 visit to Cape Town of King George V, Queen Mary and the Princesses Margaret and Elizabeth. He started his own company, Robert Katz Construction Company in 1956, heading the company until he left South Africa in 1978, immigrating to the United States with his family and settling in Westport. He worked as a consultant to the Major Building Corporation and during the energy crisis, he started his own company, Energy Cost Cutters. In addition to his wife, he is survived by a brother, Wally Katz and his wife, Esther, of Herzlia, Israel; four children, Amanda Jermyn and her husband, Isadore, of Longmeadow, Joanne Zeger and her husband, Scott, of Baltimore, MD, Anton Katz of New York City, and Adrian Katz and his wife, Dana, of Weston, Conn.; and grandchildren Eva, Michael and Adam Jermyn, Max and David Zeger, and Mia, Noah, Ty, Jonathan and Lara Katz. He was predeceased by a sister, Tillie Katz, of Afula, Israel. Memorial contributions may be made to the Alzheimer’s Association, the Lown Foundation or the American Heart Association.