The development of English swimming throughout the nineteenth century relied heavily on the activities of swimming professors and their families who promoted the sport through challenges and competitions and established classes for the teaching of swimming and lifesaving. Like many of their contemporaries, the leading swimming family of the period, the Beckwiths, expanded these activities beyond their Lambeth base to include summer seasons at seaside resorts as well as appearances in crystal tanks on the stages of variety theatres and music halls. Female members of the family proved particularly popular and Agnes Beckwith became the most recognized and acclaimed natationist of the period, particularly after her visits to America in 1883 and...