The centenary of Kinue Hitomi's book

I had not planned to write this article. My intention was to publish a piece on the IOC’s decision to introduce a femininity test. However, during my daily visit to the World Athletics website, I came across an article by none other than P.-J. Vazel. If you follow this blog, you know I am a longtime admirer of his work. His technical articles have been a major source of inspiration for me. Since…