On Wed, 2 Jan 2019, Dennis Lee Bieber wrote:
Which was a derivative of BCPL (so one could claim a successor of C should be named P), ?, mathematician, beginners all-purpose symbolic instruction code. R? maybe a subtle implication to be better/in-front-of S. SNOBOL is the ugly one, since the SN come from "string", and the BO from the middle of "symbolic".
R is the open source implemention of the S statistical/data analysis language developed by Chambers at the AT&T Labs. S-Plus is the proprietary, windows-requiring implementation of S. Rich -- https://mail.python.org/mailman/listinfo/python-list