Tom Lehrer songs included “Poisoning Pigeons in the Park,” “The Old Dope Peddler,” “Be Prepared” and “The Vatican Rag,” in which he poked at the rites and ceremonies of the Roman Catholic Church.

Tom Lehrer, the sardonic singer-songwriter-pianist who rose to national fame after his dark, tartly funny topical songs were used on the comedic ‘60s TV news show "That Was the Week That Was," has died at age 97.