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Mary Somerville was a brilliant polymath who found time to correct the work of Isaac Newton whilst looking after her infant children. Naomi Alderman investigates her extraordinary work ethic and expansive interests.

Somerville's writings, across a range of disciplines – maths, astronomy, botany, geography – became essential reading for those learning science, and helped to define what a scientist was in the early 19th century.

Special thanks to Dr Brigitte Stenhouse, Lecturer in the History of Mathematics at The Open University.

Produced by ³ÉÈË¿ìÊÖ Studios Audio in partnership with The Open University.