Please refer to the following article for more details:
'The Fields Medal should return to its roots...' by Michael Barany at link: https://www.nature.com/articles/d41586-018-00513-8
Reference link:
https://www.quora.com/Should-the-criteria-for-selecting-future-Fields-Medalists-change-to-reflect-diversity-in-talent-as-well-as-the-many-areas-in-mathematics