Earlier quoted context omitted.
That's an interesting link. I always assumed that Rich Hickey came from academia, given that he made a successful programming language. Are there any biographical articles talking about his background?
He was a consultant. FYI: It's extremely rare for anyone from academia to make a commercially successful language. Their incentives are different. They want publishable novelty, and they don't care about building a useful suite of libraries and a vibrant community. Jones (Haskell), Syme (F#), and Odersky (Scala) are the only designers w/ academic backgrounds I can think of for marginally popular languages.
Until the past few years when Galois folks and bos did a lot of library work.