Helen de Guerry Simpson (1897-1940) was born in Sydney, New South Wales. In 1914, she travelled to France and then the UK to continue her studies. She read French and music at the University of Oxford. Her studies ended in 1921 when she broke university regulations which prohibited male and female students from acting together. In 1927, she married the surgeon Sir Denis John Browne. Her first novel, Acquittal, was published in 1925. One of her most successful works, Boomerang, was published in 1932 and won the James Tait Black Memorial Prize. Another novel, Under Capricorn (1937) was adapted into a 1949 thriller directed by Alfred Hitchcock. She died in 1940 from cancer, leaving a daughter.