Arthur Spier

Arthur Spier was an influential figure in the Jewish community and an expert in Jewish calendar calculations. He was born in Germany and later moved to the United States, where he continued his scholarly work. Spier's contributions to the understanding of the Jewish calendar have been widely recognized, and his works are used in various Jewish communities worldwide to determine important dates and holidays. His expertise in the mathematical and astronomical aspects of the Jewish calendar made him a respected authority in this field. He served as a principal of a Jewish day school in New York and was deeply involved in Jewish education, promoting a thorough understanding of Jewish traditions and calendar laws.

Books

U / Comprehensive Hebrew Calendar / 1900-2100