Rabbi Moshe Ze'ev Granek is the author of four books, including a multi-volume commentary on the Sefer Hamitzvos of the Rambam. In addition to researching the topic of the Jewish calendar for over twenty years, he is, at present, a member of the kollel of the Bais Havaad of Lakewood, NJ, which specializes in topics of Choshen Mishpat. He lives in Jackson, NJ.
