Tom Lehrer, a social and political satirist who amassed a devoted following in the 1950s and 1960s for routines featuring blithely subversive musical numbers such as “So Long Mom (A Song for World War III),” “National Brotherhood Week” and “The Vatican Rag,” died on Saturday at his home in Cambridge, Massachusetts. He was 97.

Tom Lehrer, a popular song satirist in the 1950s and ’60s who lampooned marriage, politics, racism and the Cold War, then largely abandoned his music career to return to teaching math at Harvard and other universities,