Question: What type of a scholar was the rabbi who asked Rabbi Dovid Povarsky to join the previous two heads of the institute?
Sentence (from "Dovid Povarsky"): He was asked by Rabbi Yosef Shlomo Kahaneman to join the previous two heads of the institute, Rabbi Elazar Menachem Shach and Rabbi Shmuel Rozovsky to create a triumvirate in leading the Yeshiva.
Relevant evidence: Yes