This article was first published in poster form as a contribution
to a mathematics exhibition in memory of Professor Uwe Grimm
at The Open University's campus in Milton Keynes, June 2022.
Later published in the December 2022 edition of M500,
the mathematics magazine of The Open University.

Download a PDF of the entire article 

© December 2022, M500, the mathematics magazine of The Open University
Licensed to Number Wonder, December 2022