The history of BBC Basic is on the wiki.
Sophie Wilson wrote the language, first in 6502 assembler, later in ARM assembler.
https://en.wikipedia.org/wiki/BBC_BASIC
This linked article of interviews has much greater depth.
Sophie Wilson wrote the language, first in 6502 assembler, later in ARM assembler.
https://en.wikipedia.org/wiki/BBC_BASIC
This linked article of interviews has much greater depth.