Reb Yacov was a bona fide talmid chacham and an expert in the laws of kashrus.
‘There was no uniformity and there were many certifications that were questionable. The challenge was to set the standard.’ Which the OU ultimately did.
Crash course on the kashrut of eggs
At a bar mitzvah in Englewood, New Jersey, in the mid-1980s, Rabbi Menachem Genack, early in his career as rabbinic administrator of OU Kosher, was introduced to Dr. Judith Leff, a biochemist who was then working as a researcher in molecular biology at the Albert Einstein Medical College of Medicine in the Bronx. The rabbi […]