Dame Sue Ion has spent her life working in engineering. She’s been involved in shaping the UK’s energy policy for the future and been a prominent figure in the UK nuclear industry for decades. Her love for science began at Penwortham Girls’ High School which she shared with her classmate Dame Nancy Rothwell, who is also on the Woman’s Hour Powerlist. Sheila McClennon took Sue Ion back to her old school for the first time in thirty years.