R. Israel b. Zvi Weltz (1887-1973) was born in Lemes, Hungary. He was educated in famous yeshivot and became a noted erudite scholar. He served as Chief Judge of the Budapest Bet Din till the Holocaust. In 1949 he emigrated to Jerusalem where he was selected as a member of the Eidah Ha-Hareidut Bet Din, on which he served until his passing. A widely respected posek, he wrote many responsa on contemporary issues some of which were published in his Divre Yisrael (Bene Brak 1980, 3 vols.) in which he discusses among other topics: the prohibition of pig-breeding; the use of the Christian date in correspondence; whether it is permitted to circumcise the child of a Jewish father and non-Jewish mother; whether the Megillat Esther is valid if written by a woman.