Age, Biography and Wiki

Donald Kalish was born on 4 December, 1919 in Chicago, Illinois, U.S., is an American activist (1919–2000). Discover Donald Kalish's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 80 years old?

Popular As N/A
Occupation N/A
Age 80 years old
Zodiac Sign Sagittarius
Born 4 December 1919
Birthday 4 December
Birthplace Chicago, Illinois, U.S.
Date of death 8 June, 2000
Died Place Los Angeles, California
Nationality United States

We recommend you to check the complete list of Famous People born on 4 December. He is a member of famous activist with the age 80 years old group.

Donald Kalish Height, Weight & Measurements

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Dating & Relationship status

He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.

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Donald Kalish Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Donald Kalish worth at the age of 80 years old? Donald Kalish’s income source is mostly from being a successful activist. He is from United States. We have estimated Donald Kalish's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
Salary in 2023 Under Review
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Source of Income activist

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Timeline

1919

Donald Kalish (December 4, 1919 – June 8, 2000) was an American logician, educator, and anti-war activist.

Born in Chicago, Illinois, Kalish earned his bachelor's and master's degrees in psychology and his doctorate in philosophy at the University of California, Berkeley.

1949

After teaching at Swarthmore College and at UC Berkeley, he joined the faculty of the University of California, Los Angeles in 1949.

Kalish was perhaps best known for his outspoken opposition to the war in Vietnam and later, his opposition to U.S. military involvement in Nicaragua and Grenada.

As chairman of the philosophy department of UCLA, Kalish hired Marxist political activist Angela Davis, an act that drew considerable controversy at the time.

1960

Since the late 1960s, these books have been used as a textbook at many universities, including UCLA.

1964

The proof system is set forth in detail in Logic: Techniques of Formal Reasoning by Richard Montague and Donald Kalish, which was published in 1964.

1967

He is known for his leadership role with the Peace Action Council in a 1967 protest against President Lyndon Johnson's Vietnam policies at the Century Plaza Hotel in Los Angeles, which brought out 10,000 people.

He was also an organizer of the 1967 March on the Pentagon to protest the Vietnam War and his activities were prominently chronicled in Norman Mailer's The Armies of the Night (1968).

In 1967, Kalish signed a letter declaring his intention to refuse to pay taxes in protest against the U.S. war against Vietnam, and urging other people to also take this stand.

Kalish was an expert on logic, set theory and the history of both subjects.

With Richard Montague, he developed an innovative and elegant method of doing formal logical proofs by natural deduction.

Kalish was a first-rate and devoted teacher, who taught with precision, compassion and enthusiasm.

He was the proverbial "teacher's teacher," having the rare ability of being able to make even the most complex and arcane concepts readily comprehensible to his students.

Most of his students loved his classes.

In his logic and set theory classes, students did not see anything of his political opinions.

He regularly gave his students his home phone number with the instruction that if they ever wanted to discuss an assignment, to call him anytime, day or night.

When a proof is done by the Kalish and Montague method, the lines have an indented structure of "proofs within proofs."

The first line of the outermost proof always starts with the word "Show" followed by the statement to be proven.

Additional "Show" lines can appear anywhere within the proof, thereby commencing sub-proofs.

Immediately after a "Show" line, the subsequent lines are indented one level.

When a proof at any level is completed, a box is drawn around the lines in that indentation, making them inaccessible thereafter, and the word "Show" is canceled, whereupon the statement after the canceled "Show" becomes an active line, accessible at the next level out.

A proof is finished when all the lines except the first line are enclosed in one or more boxes, and the word "Show" on the first line is canceled.

The method is extremely elegant and greatly aides the understanding and teaching of logic.

1971

Montague died in 1971.

1980

Kalish published a second edition of the book in 1980 with Gary Mar.

2001

In 2001, the university's Philosophy Department initiated the Donald Kalish Prize for intellectual excellence, given to the most promising undergraduate student in the department.

Kalish was a founder of the Concerned Faculty of UCLA.

He served as a member of the University Committee on Vietnam, and as vice-chairman of Peace Action Council, Los Angeles.