(1923–98; b. New York City; d. New York City)
American psychologist and a pioneer of research methods. Cohen enrolled in the City College (now City U) of New York at the age of fifteen. After work in intelligence in the Second World War, he gained a PhD in clinical psychology at New York U, where he spent most of his teaching career. He was a co-author of a popular introductory statistics book for the behavioural sciences, first published in 1971.
Subjects: Probability and Statistics.