Not just 20, but all the way back from the beginning of programming until perhaps the mid 80s. English majors, telephone company employees who were getting a b

Not just 20, but all the way back from the beginning of programming until perhaps the mid 80s. English majors, telephone company employees who were getting a bit old to climb poles, bright high schoolers who got trained in the military, science grad school dropouts, etc etc, and somehow code got written.