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Dorothy Massingham (December 12, 1889 – March 30, 1933) was a British actress and playwright. Dorothy Massingham was born on December 12, 1889 in Highgate, daughter of the journalist H. W. Massingham and Emma Snowdon. She was educated at the Graham High Street School and the Academy for Dramatic Art and studied under Rosina Filippi. Dorothy Massingham committed suicide on 30 March 1933 in Hampstead.