The greatest programmers of all time are #AdaLovelace, #AlanTuring, #GraceMurrayHopper, #JohnBackus, #DorothyVaughan, #KenThompson, #DennisRitchie, #BrianKernighan, #RichardStallman, #EricSRaymond, #SteveWozniak, #JohnCarmack, #LinusTorvalds, #TimBernersLee, and #JohnMastodon.