Ching-Feng Chang *76

A resident of Richmond, Texas, John died Oct. 9, 2025, in Rochester, Minn. He was 79 years old.

He was born May 16, 1946, in Changhua, Taiwan. After earning his B.S. in chemical engineering from Tunghai University in 1968, John immigrated to the United States for graduate school. He received his M.S. from Rensselaer Polytechnic Institute in 1971 and his Ph.D. in chemical engineering from Princeton in 1976. He went on to earn an MBA from Ohio University in 1979. In his spare time John taught chemical engineering courses as an adjunct professor at Cleveland State University.

John worked for Union Carbide as director of research and raw materials, and subsequently for GrafTech International as senior corporate fellow and consultant. An expert on carbon materials, he traveled extensively — to Japan, South Africa, Europe, China, and Brazil — and was honored as a senior corporate fellow by GrafTech. In 2011, he and his colleagues received an R&D 100 Award for one of his patents. He finished his career as president of CFC Carbon Consulting.

John is survived by his wife, Shun-Tang “Susan” Chang; daughters Connie, Patricia, and Cathleen; and four grandchildren.

Graduate memorials are prepared by the APGA.