Ethel Elizabeth Percival, FRSE, FRSC (née Kempson, 3 January 1906 – 16 April 1997) was a British research chemist and expert in algae polysaccharides.
Her proposers were Edmund Hirst, Christina Miller, Mowbray Ritchie and Neil Campbell.
[4] She moved to Virginia Water, Surrey in 1962 to be with her new husband, receiving a fellowship and lectureship from the Royal Holloway College in London under Professor Edward Bourne.
She was a keen tennis player, playing at her local club (Knowle Hill) in Virginia Water into her 80s.
In 1934, she married colleague and fellow-chemist Edmund Percival (1907-1951) at St Pauls Church in Walsall.