There was no 'calling' as those mathematicians and electrical engineers in the pre-computer ages saw it. They wanted to solve problems and build amazing machines. They did not imagine some mystical future of benevolence for programmers.
Yes I'm sure that's what was going through Turing's mind when he solved the enigma -- let me save freaking Western civilization so I can be forced to suicide and all these millennials can come and get free lunch from their benevolent corporations
