Alma Lucy Reville, Lady Hitchcock was an English film director, screenwriter and editor. She is best known for her work with Alfred Hitchcock, whom she married in 1926.
She converted to Roman Catholicism from Protestantism before their marriage. Alma was just one day younger than her husband. They married onDecember 1926 at Brompton Oratory in London. Their daughter Patricia Hitchcock was born onJuly 1928. Alma became Hitchcocks collaborator and sounding board, with a keen ear for dialogue and an editors sharp eye for scrutinising a films final version for continuity flaws so minor they had escaped Hitchcock and his crews notice. It was Reville who noticed Janet Leigh inadvertently breathing after her characters fatal encounter with Norman Bates mother in Psycho , necessitating an alteration to the negative.
Source: Wikipedia