Herbert Farjeon (1887-1945) was influential within British theatre world from 1910 until his death in 1945. He was a dramatic critic, lyricist, librettist, presenter of revues, playwright, theatre manager, and theatre researcher.
Farjeon came from a creative family, his father being the novelist Benjamin Leopold Farjeon; his mother, Margaret Jefferson, the daughter of the American actor, Joseph Jefferson; his sister was Eleanor Farjeon, well-known for her children's verse and stories; his brother was mystery-writer J. Jefferson Farjeon.