All right... all right... but apart from better sanitation and medicine and education and irrigation and public health and roads and a freshwater system and baths and public order... what have the Romans done for us?

brought good syntax ?

And a pretty but impractical number system.

Didn't he also create ClojureScript? https://www.youtube.com/watch?v=tVooR-dF_Ag?t=180

And edn https://github.com/edn-format/edn

And transit https://github.com/cognitect/transit-format

And REBL http://rebl.cognitect.com/download.html

And Fressian https://github.com/Datomic/fressian/wiki

And core.async, bringing go blocks, channels, and parking semantics to Clojure

https://github.com/clojure/core.async/

I think REBL is actually more of Stuart Holloway's baby, isn't it? They're close, so maybe this isn't so clear.