Ray Strachey, Rachel Conn Costelloe, Mrs Oliver Strachey (1887-1940), women's rights' campaigner and writer, with a mathematics degree from Newnham College, Cambridge 1905-1908, she studied engineering at Oxford University, 1910. President of the Society of Women Welders 1916-1918. Particularly involved in women's employment issues including equal pay. Stood as an Independent in three general elections, 1918, 1922, and 1923. She was also involved in international peace campaigns. (Cheryl Law, 'A Modern Political Dictionary' 2000).