Graham Greene parents, Charles Henry Greene and Marion Raymond Greene, were first cousins, both members of a large, influential family that included the owners of Greene King Brewery, bankers, and statesmen; his mother was cousin to Robert Louis Stevenson. Charles Greene was second master at Berkhamsted School, where the headmaster was Dr Thomas Fry, who was married to Charles' cousin. Another cousin was the right-wing pacifist Ben Greene, whose politics led to his internment during World War II. In his childhood, Greene spent his summers with his uncle, Sir William, at Harston House in Cambridgeshire. In Greene's description of his childhood, he
Graham Greene later be revealed as a Soviet agent, was Greene's supervisor and friend at MI6. Greene later wrote an introduction to Philby's 1968 memoir, "My Silent War". As a novelist Greene wove the characters he met and the places where he lived into the fabric of his novels. Greene first left Europe at 30 years of age in 1935 on a trip to Liberia that produced the travel book "Journey Without Maps". His 1938 trip to Mexico to see the effects of the government's campaign of forced anti-Catholic secularisation was paid for by the publishing company Longman, thanks to his friendship