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John B. Vasconcellos Jr. (May 11, 1932 - May 24, 2014) was an American politician and psychologist. He was a member of the Democratic Party. He represented Silicon Valley as a member of the California State Assembly for 30 years and a California State Senator for 8 years.

Vasconcellos died in San Jose, California from multiple organ failure, aged 82.^[1]

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