Authors Posts by William Gewirtz

William Gewirtz

William Gewirtz
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Dr. William Gewirtz, a former CTO of AT&T Business, is a consultant in the technology and communications sector. He maintains a strong interest in halakhic areas where mathematics, science and/or logic play an important part, including all aspects of zemanim and kinim.

When Satmar Censored the Hatam Sofer

William Gewirtz continues to offer his thoughts on the meaning of bein ha-shemashot.

Is a Dateline a Logical Necessity? The Halakhic View Less Often Quoted

William Gewirtz discusses the necessity of a Halakhic Dateline.

The Jewish Calendar: A Scientific Perspective

William Gerwitz explains the scientific knowledge needed to fully understand the Jewish calendar.

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