Question: Who was Montini's mentor that eventually became a Cardinal?
Sentence: In 1931, Pacelli appointed him to teach history at the Papal Academy for Diplomats In 1937, after his mentor Giuseppe Pizzardo was named a cardinal and was succeeded by Domenico Tardini, Montini was named Substitute for Ordinary Affairs under Cardinal Pacelli, the Secretary of State under Pope Pius XI.
Answer in sentence: yes