Today, Maarten Fokkinga retires after a scientific career of more than 40 years. Maarten is well-kown for his work on functional programming and category theory. Some of his well-known and well-cited works include: Functional programming with bananas, lenses, envelopes and barbed wire with Eric Meijer and Ross Paterson, Law and Order in Algorithmics, his Ph.D thesis, and Monadic Maps and Folds for Arbitrary Datatypes (yes, those are maps and reduces!)
To celebrate Maarten's long successful career, Jan Kuper and I wrote recipes for curried bananas and pasta, appropriately formalized in Haskell, so Maarten can both cook and enjoy programming after his retirement. Download the recipes from Github.