A. E. Waite
He was a founder member in 1901 of Paul Henry's literary and performing club, with Robert Lynd, Frank Rutter and others. The acting editor of "The Bookman" from 1908, Adcock, according to A. E. Waite who knew him, did all the work of the "Bookman", nominally under its founder William Robertson Nicoll. In 1923, he became its official editor.