Jerome Kagan

Jerome Kagan (February 25, 1929 – May 10, 2021) was an American psychologist. He was the Daniel and Amy Starch Research Professor of Psychology, Emeritus at Harvard University, and co-faculty at the New England Complex Systems Institute. He was one of the key pioneers of developmental psychology.
Kagan died on May 10, 2021 in Durham, North Carolina at the age of 92.