Douglas Gresham is an American-born British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 biographer and film

Film

A film, also called a movie or motion picture, is a series of still or moving images. It is produced by recording photographic images with cameras, or by creating images using animation techniques or visual effects...

 producer

Film producer

A film producer oversees and delivers a film project to all relevant parties while preserving the integrity, voice and vision of the film. They will also often take on some financial risk by using their own money, especially during the pre-production period, before a film is fully financed.The...

, resident in Malta

Malta

Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

, and one of the two stepsons of C. S. Lewis

C. S. Lewis

Clive Staples Lewis , commonly referred to as C. S. Lewis and known to his friends and family as "Jack", was a novelist, academic, medievalist, literary critic, essayist, lay theologian and Christian apologist from Belfast, Ireland...

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Gresham was born in New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

, the son of writers William Lindsay Gresham

William Lindsay Gresham

William Lindsay Gresham was an American novelist and non-fiction author particularly regarded among readers of noir. His best-known work is Nightmare Alley , which was adapted into a 1947 film starring Tyrone Power.- Biography :Gresham was born in Baltimore, Maryland...

 and Joy Davidman. William Gresham was the author of Nightmare Alley, the recently re-released classic of American noir literature, while Joy Davidman was best known for her book Smoke on The Mountain. The couple divorced in 1952, and Joy relocated to England with her two sons.