I'd bet that as the field grew, they eventually had a surplus of engineers working on new hardware and a deficit of people working to write new software. Once t

I'd bet that as the field grew, they eventually had a surplus of engineers working on new hardware and a deficit of people working to write new software. Once there were men willing to do the work, they were seen as a better bet than the women already in the field. The same thing happened after WW2, this isn't a new pattern.