Re:Why I'm Productive in Clojure (2013)
by cutler on Sunday October 22, 2017 @01:16PM
(#15527806)
2013 is just the publication date. The document cites an implementation of their London Underground system which has been in production since 2008 and a another within the Dutch rail system dating back to 1998.
>I'm sure Clojure would have been chosen if it was developed today.
Clojure was already available in 2013. The paper shows they made use of the CLOS object-oriented system, which is a key feature of Common Lisp.