James Allen (28 November 1864 – 24 January 1912) was a British philosophical writer known for his inspirational books and poetry and as a pioneer of the self-help movement. His best known work, As a Man Thinketh, has been mass-produced since its publication in 1902.

Arthur has four sisters and a brother. Neil and Shirley – his father and mother, respectively – hardly spoke with one another for 22 years, but they agreed to attend Arthur's audition together in a family reunion to support him. He announced the birth of his daughter in November 2022.