The Changing Nature of Time in Halakha (Part 1) - The Scientific Basis for the Fixed Jewish Calendar Part 1
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Meet the speaker
Dr. William Gewirtz
Dr. William Gewirtz has had a life-long fascination with some of sugyot having greater mathematical or scientific content - zemanim, kinnim, shiurim, kav haTa'arikh, kiddush haKhodesh al pi re'eah and kheshbon, Yom Tov sheni, birchat haKhamah, trop , etc. A former CTO of AT&T Business, he received a Ph.D. in mathematical logic from the Courant Institute and is a practicing consultant to a number of high-tech companies and investors.