With France occupied, she fed intelligence to the British Special Operations Executive (SOE).
A teacher, she maintained her career as a cover and once had to escape from the Gestapo who had been waiting for her at the school gates.
In October 1943, with the threat of capture being too great, she escaped France to England via Gibraltar.
Having reached the safety of London in December 1943, she joined the Bureau Central de Renseignements et d'Action (BCRA), the Free French intelligence service.
Considered overlooked by the post-war government, she was made a Chevalier of the Légion d'honneur in 2016.