most annoying thing about researching combinatorial game theory is how every paper on the subject ends with “BUT HEY,
not a lot of people know this but conway would typically begin lectures with "hello cambridge, welcome to game theory”
the Sprague-Grundy theorem was independently discovered by Sprague in 1936 (“Über mathematische Kampfspiele”) and by Grundy in 1939 (“Game Theory: Why every game is secretly Nim SOLVED! How deep does it go!?”)