John Gloag was an English writer in the fields of furniture design and architecture. Gloag also wrote science fiction novels. Gloag served with the Welsh Guards during the First World War, and was invalided home after suffering gas poisoning (by his own side).
Though he wrote several novels, he was primarily active, from 1921, in the fields of social history, architecture and design, and his first work of sf interest was the nonfiction Artifex; Or, the Future of Craftsmanship (1926).