The 63-year-old Friedman, who earned a doctorate in physics but teaches law at Santa Clara University, is the author of a new book, "Future Imperfect: Technology and Freedom in an Uncertain World."
As the son of the late economist Milton Friedman, he takes a laissez-faire approach to technological advances, arguing that they could lead to a range of outcomes from the beneficial extension of human life spans to the possible extinction of the species.
Tom Abate, Chronicle Staff Writer
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