There are now some updates with improvements to the Russian-language bits. https://writings.stephenwolfram.com/2020/12/where-did-combinators-come-from-hunting-

There are now some updates with improvements to the Russian-language bits. https://writings.stephenwolfram.com/2020/12/where-did-combinators-come-from-hunting-the-story-of-moses-schonfinkel/ https://writings.stephenwolfram.com/2020/12/where-did-combin...