In this volume, Caroline Robbins adeptly presents a history of the Commonwealthmen, “a gifted and active minority of the population of the British Isles, who kept alive, during an age of extraordinary complacency and legislative inactivity, a demand for increased liberty of conscience.” Caroline Robbins (1903–1999) taught history at Bryn Mawr College from 1929 to 1971 and was chairman of…