[boppo1]

Were each of these really achievements by a single engineer, or a team? One guy wrote CUDA?

[hintymad]

Ian Buck wrote the initial version, right? I'm sure multiple teams polished the aforementioned software. It's just that it was this one or two engineers came up with the idea, built the the first working version that the other fellow engineers thought impossible or too expensive or unworthy to build, and the rest was the history.

[heavenlyblue]

> that the other fellow engineers thought impossible or too expensive or unworthy to build

This is not an exhaustive list and you have just picked the points that support your weak argument.

[hintymad]

I thought $\exists$ does not require an exhaustive list, but $\forall$ does.

[frankchn]

The initial version of MapReduce was conceptualized and implemented by two people (Jeff Dean and Sanjay Ghemawat). Those were the only names that appeared on the paper: https://static.googleusercontent.com/media/research.google.c...