Well, to make a long story short, Dean Kamen is Jewish!
Since Dean Kamen's mother is Jewish, and in Orthodox Judaism and Conservative Judaism, those with a Jewish mother (or those who underwent a halakhic conversion) are considered Jewish, then that makes him Jewish. His father is Jewish too.
Dean Kamen (whose full birth name is Dean L. Kamen) was born on April 5, 1951 in Long Island, New York.
Kamen is best known for inventing the product that eventually became known as the Segway PT, an electric, self-balancing human transporter with a computer-controlled gyroscopic stabilization and control system.
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