Eileen Younghusband was born in London in 1921. After her wartime service in the WAAF, she had a successful career in hotel management and catering, taking on the male establishment of the industry. She also ran a variety of businesses, from selling herbs to Fortnum & Mason to supplying thousands of tons of scrap metal for a company in Spain. At the age of 87, she graduated from the Open University as one of its Students of the Year. Eileen lives in Wales, where she remains an active campaigner on health and education issues. She gives regular talks on the role of Radar in World War Two and the work of the Filter Room.

Her first autobiography, Not an Ordinary Life, was published in 2009.