(Mary) Rosalie Glynn Grylls (13 April 1905 – 2 November 1988), was a British biographer, lecturer and Liberal Party politician.
In July 1930 she was selected as Liberal prospective parliamentary candidate for the Reading Division of Berkshire for the General Election that was to occur in 1931.
[6] She was a noted biographer with a special interest in the writers and artists of the Romantic period, and an early connoisseur of the Pre-Raphaelite movement.
Her biographical subjects included Mary Shelley (1938), Claire Clairmont (1939), Edward John Trelawny (1950), William Godwin (1953), Dante Gabriel Rossetti (1965), Ivy Compton-Burnett (1971) and Elizabeth Barrett Browning (1980).
[7] Her husband had donated their house, Wightwick Manor, with its representative collection of Victorian and Pre-Raphaelite art and manuscripts, to the National Trust in 1937.