Samuel Calmin Kohs (June 2, 1890 – January 23, 1984) was an American psychologist who spent his career in clinical and educational

psychology Psychology is the scientific study of mind and behavior. Its subject matter includes the behavior of humans and nonhumans, both consciousness, conscious and Unconscious mind, unconscious phenomena, and mental processes such as thoughts, feel ...

. He was awarded a B.A. degree at

City College of New York The City College of the City University of New York (also known as the City College of New York, or simply City College or CCNY) is a Public university, public research university within the City University of New York (CUNY) system in New York ...

, an M.A. at

Clark University Clark University is a private research university in Worcester, Massachusetts, United States. Founded in 1887 with a large endowment from its namesake Jonas Gilman Clark, a prominent businessman, Clark was one of the first modern research uni ...

. He developed, for his doctoral dissertation in 1919 at

Stanford University Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...

, a set of small variously colored blocks (known as the Kohs blocks) that are used to form test patterns in psycho-diagnostic examination.''Intelligence measurement a psychological and statistical study based upon the block-design tests''
New York, The Macmillan Company, 1923 Kohs was an active member of the Jewish community in the U.S. He served as field secretary of the Western States division of the

National Jewish Welfare Board The National Jewish Welfare Board (JWB) was formed on April 9, 1917, three days after the United States declared war on Germany, in order to support Jewish soldiers in the U.S. military during World War I. The impetus for creating the organization ...

from 1941 to 1956, as executive director of the Oakland Jewish Welfare Federation in California and of the Brooklyn Federation of Jewish Charities, and as Chairman of the Department of Social Technology at the Graduate School of Jewish Social Work in

Manhattan Manhattan ( ) is the most densely populated and geographically smallest of the Boroughs of New York City, five boroughs of New York City. Coextensive with New York County, Manhattan is the County statistics of the United States#Smallest, larg ...

. He died at age 93 in San Francisco, and was survived by his son Ellis.

Selected works

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Selected works

References

Further reading