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Gresham Professor of Geometry Sarah Hart likes cycloids and we talk at length about all their fascinating properties. Also, Moby Dick (or The Whale).

Normally I try and come up with an apt pun but I couldn’t possibly come up with anything better than the title of my guest Sarah Hart’s book. She has written Once Upon A Prime, a very enjoyable read and listen about the many links between maths and literature and myth and poetry. We talk about why giants as we know the

Steve is on a mission to reform math education, and Sarah Hart is ready to join the cause. In her return visit to the show, Sarah explains how patterns are everywhere, constraints make us more creative, and literature is surprisingly mathematical.

Playing notes on her piano, she demonstrates for Steve why whole numbers sound pleasing, why octaves are mathematically imperfect, and how math underlies musical composition. Sarah, a professor at the University of London and Gresham College, also talks with Steve about the gender gap in mathematics and why being inter