Robert Bruce Hammond was an American missionary with the China Peniel Mission, which was founded by his father-in-law the Rev. A. K. Reiton and is first wife. He went through the 1941 hostilities in Kowloon and was interned in Stanley with his wife, their daughter Edith, and the Reitons, until the American repatriation.
He wrote a memoir of his experience: Bondservants of the Japanese (1942)
Source:
Wenzell Brown was a lecturer at Lingnan University. He was interned in Stanley Camp and repatriated with his fellow Americans on June 29/30, 1942.
He wrote a book, Hong Kong Aftermath (1943), which contains a partly fictionalised account of his experiences.
He became a writer of 'pulp fiction', gaining some reputation in the 1950s for his work in the 'juvenile delinquent' genre, and publishing his only Science Fiction novel in 1975.
He was a Quaker.
Sources:
Wife of Eric Neville Baynes.
Husband's name James Percival Whitham.
Dates of birth and death from the Biographical History at the Finding Aid to the Pommerenke family papers, online at:
http://www.history.pcusa.org/collections/findingaids/fa.cfm?record_id=193