List of Famous people who died at 66

Harry Hindemith was a German actor. He appeared in more than eighty films from 1944 to 1973.

Edwin Bennett Astwood was a Bermudian-American physiologist and endocrinologist, his research on endocrine system led to treatments for hyperthyroidism. He was elected a Fellow of the American Academy of Arts and Sciences in 1949. In 1948, he was awarded the Cameron Prize for Therapeutics of the University of Edinburgh. He died of cancer on February 17, 1976 in Hamilton, Bermuda.

Jan Stallich (1907–1973) was a Czechoslovak cinematographer who worked in several European film industries including Great Britain, France, Germany, Italy and Spain as well as in his native country. He worked on over a hundred films during his career.

Gene Harris was an American jazz pianist known for his warm sound and blues and gospel infused style that is known as soul jazz.

Rufus Philip Isaacs was a game theorist especially prominent in the 1950s and 1960s with his work on differential games.