Aris Goudouras
Pandoc creator & maintainer
Aris Goudouras
Co-authored the https://haskellbook.com/ book.
Aris Goudouras
fp-ts creator & maintainer
Aris Goudouras
Wadler was a principal designer of Haskell, currently works with Agda and has written a textbook for it. Came up with type classes and monadic IO.