Nineteenth-century professional sports coaching had much in common with conventional craft processes, with the coach as the master of a body of traditional specialist knowledge passed on through kinship groups and coach-athlete relationships. Knowledge transfer was embedded within informal communities of practice such as that centred on swimming professor Frederick Beckwith, whose aquatic promotions in baths, theatres, and aquaria were constant features in the sporting and entertainment landscape of London and beyond throughout the second half of the century. His swimming knowledge, social networks and entrepreneurial flair established him at the hub of a South London swimming community which contained his immediate and extended family, tog...