Earlier quoted context omitted.
> Wait – I thought back then (1950s/60s/maybe 70s), "programming" refered to something more akin to data input, i.e., someone designed a program, and the "programmer" entered that program into the computer's memory, using punch cards or whatever That's exactly right, "programming" was considered secretarial work, and guess what, pretty much all secretaries were women. Male engagement in programming exploded with the…
Not my experience. I was in college when PCs exploded, and programming was already a mostly-male field
https://nces.ed.gov/programs/digest/d12/tables/dt12_349.asp
The "programming as secretarial work" happened in the 50s and 60s which predates this data, so I haven't found a canonical source for that.