 Nonetheless, Henson ranked Lang "among the greater figures of ecclesiastical history".The most conspicuous cause with which Henson was involved during his time at Durham was, in Anglican terms, of national, and even international, rather than diocesan concern.As a broad churchman he gave strong support in the mid-1920s to a major revision and modernising of the Book of Common Prayer, the Church's prescribed forms of worship, used at all services.