I've been starting to browsing through old archives of the RnRS mailing list and it's a blast to see how the ideas behind Scheme have evolved.
For example, it was somewhat shocking (and amusing) to hear that call-with-current-continuation was deliberately named to make it hard for programmers to type and misuse!
Well, better continue reading; I've only read up to 1985, and there's a few more years of mail left to read...