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The Longevity Genes Project, 5 of 5Irving Kahn, Age 104, Study Participant
Study participant and investment advisor Irving Kahn began his career before the stock market crash of 1929 and is widely respected in the field of value investing. In 1978, he founded Kahn Brothers Group, Inc., where he is still chair of the firm. He says it would be foolish to retire. To watch all of the videos in the series, please click here. (November 01, 2010)
Science Talk: Novel Brain Imaging Technique Explains Why Concussions Affect People Differently (2:15)