Roger Hui Dead
Co-created J with Ken Iverson and wrote most of its interpreter — famously in extremely dense C.
19251950197520002025
Created J
Co-created J with Iverson — the tacit, ASCII descendant of APL — and implemented much of Dyalog APL's performance.\n\nThe quieter half of the Iverson–Hui partnership that kept array programming alive into the 21st century.