|Died||February 24, 2015 (aged 109)|
New York City, New York, US
|Education||City College of New York, Columbia Business School|
|Employer||Kahn Brothers Group, Inc.|
|Known for||Chairman of Kahn Brothers Group, Inc.|
Irving Kahn (December 19, 1905 – February 24, 2015) was an American businessman and investor. He was the oldest living active investment professional. 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.