> If the person isn't one of a set of people to whom the description could apply, it makes no sense to use the indefinite article. > he’s the guy who (along wi

> If the person isn't one of a set of people to whom the description could apply, it makes no sense to use the indefinite article. > he’s the guy who (along with his brother Josef) invented the word “robot.” Just to be superly, unnecessarily pedantic: in this case the person is one of a set of people, so although I don't agree with the title being rewritten, it does actually make sense.