Kenneth B.
Wiberg, an American chemist and academic, died on May 10, 2026, at the age of 98. He was Professor Emeritus of organic chemistry at Yale University.
Wiberg contributed to several aspects of organic chemistry, including physical and synthetic chemistry. In synthetic organic chemistry, he and his students reported the preparation of highly strained compounds bicyclobutane and [1.1.1]propellane. He died in Needham, Massachusetts.
Kenneth B. Wiberg, 98, American chemist.