Looking at an american communist publication from the 1920s that was aimed at the youths and included writing and cartoons and such sent in by kids.
go tell it on the mountain: the nerd and the jock have a common enemy, the capitalist
tbh i do actually see grown adults carrying around some sort of jock v nerd explanation of the world and it is a bizarre thing, for even the nerd is the jock of the mind, and the jock is the nerd of the football, the basketball, various muscle groups, etc