Question: What type of a scholar was the rabbi who asked Rabbi Dovid Povarsky to join the previous two heads of the institute?
Related documents: [0]  [DOC] Rabbi Dovid Povarsky (Hebrew: יהושע דוד פוברסקי‎ "Yehoshua Dovid Povarsky"; 1902–1999) is known for his erudite Talmudic lectures and his deanship as Rosh Yeshiva of Ponevezh Yeshiva. 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. [END] 
[1]  [DOC] Yosef Shlomo Kahaneman (1886–1969), , was an Orthodox rabbi and rosh yeshiva of the Ponevezh Yeshiva. He was a renowned Torah and Talmudic scholar, a distinguished member of the Council of Torah Sages of Agudath Israel. [END] 
Answer: 
Torah and Talmudic scholar
Torah and Talmudic scholar