Note: There are other authors with the same name: John Gray, John Gray (I), John Gray (II)
- Author: John Gray (1866-1934) Author Record # 228493
- Birthplace: Bethnal Green, Stepney, Middlesex, England, UK
- Birthdate: 2 March 1866
- Deathdate: 14 June 1934
- Language: English
- Webpages: SFE, Wikipedia-EN