Irving Janis, Date of Birth, Place of Birth, Date of Death

Irving Janis

American psychologist

Date of Birth: 26-May-1918

Place of Birth: Buffalo, New York, United States

Date of Death: 15-Nov-1990

Profession: psychologist, university teacher

Nationality: United States

Zodiac Sign: Gemini

Irving Lester Janis (May 26, 1918 – November 15, 1990) was a research psychologist at Yale University and a professor emeritus at the University of California, Berkeley most famous for his theory of "groupthink" which described the systematic errors made by groups when making collective decisions.
A Review of General Psychology survey, published in 2002, ranked Janis as the 79th most cited psychologist of the 20th century.