Irving Kahn

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This article is about the investor and money manager. For the cable TV industry pioneer and subject of US Supreme Court wiretap case, see Irving B. Kahn.
Irving Kahn
Irving Kahn photo.jpg
Born (1905-12-19)December 19, 1905
New York City, New York, U.S.
Died February 24, 2015(2015-02-24) (aged 109)
New York City, New York, U.S.
Nationality American
Alma mater City College of New York
Columbia University
Occupation Investor and philanthropist
Known for Advising the Kahn Brothers Group

Irving Kahn (December 19, 1905 – February 24, 2015) was an American investor and philanthropist. He was the oldest living active investor.[1] He was an early disciple of Benjamin Graham, the creator of the value investing methodology. Kahn began his career in 1928 and continued to work until his death. He was chairman of Kahn Brothers Group, Inc., the privately owned investment advisory and broker-dealer firm that he founded with his sons, Thomas and Alan, in 1978.

Early life and education[edit]

Kahn was born on December 19, 1905 in New York City to Mamie (née Friedman; 1880–1946) and Saul Henry Kahn (1875–1964). He attended at the City College of New York and went on to serve as the second teaching assistant to Benjamin Graham at Columbia Business School. At the time, other notable students and/or teaching assistants to Graham included future Berkshire Hathaway chairman Warren Buffett and future value investors William J. Ruane, Walter J. Schloss, and Charles Brandes, among others. Graham had such an enormous influence on his students that both Kahn and Buffett named their sons after him. Kahn named his third son, born in 1942, Thomas Graham, and Buffett, his first son, born in 1954, Howard Graham.

Investment career[edit]

Kahn was a Chartered Financial Analyst and among the first round of applicants to take the CFA exam. He was a founding member of the New York Society of Security Analysts and the Financial Analysts' Journal. Kahn was also a former director of Teleregister Corp., Hugo Stinnes Co., Grand Union Stores, Kings County Lighting, West Chemical and Willcox & Gibbs. He was the president of the New York City Job and Career Center and was a trustee emeritus of the Jewish Foundation for Education of Women.

In a magazine article in 2002, he was quoted as saying: "I'm at the stage in life where I get a lot of pleasure out of finding a cheap stock," adding that his research still pushed him to work evenings and weekends. His son Thomas, then and still currently President of Kahn Brothers Group, said, "My father continues to research ideas and talk to companies. One of the nice things about this business is that there's no mandatory retirement age, and you allegedly get wiser as you get older."[2]

Personal life[edit]

Irving Kahn died on February 24, 2015, aged 109. His death was reported through a brief paid obituary in the New York Times on February 26, 2015. No specific cause of death was given.[3]


  1. ^ Financial Times: "On Wall Street: Age old wisdom"
  2. ^ Bary, Andrew. 2005. "Living Legend," Barron's, December 12.
  3. ^ Irving Kahn, New York Times, February 26, 2015.

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