Born in poverty in Ireland, her mother left her father & brought the surviving kids to England when she was 5. She graduated in #physics with the highest score ever for a London University, with a BSc from Bedford College of Women in ‘22, & MSc from UCL in ‘24. Nobel laureate W.H. Bragg offered her a spot on his team at the Royal Institution, where she worked until she married in ‘27 & followed her husband research #chemist Thomas Lonsdale to Leeds for a job. 🧵3/n