[Nothorized]

Well, Lin-Manuel Miranda won a Pulitzer for Hamilton. There is more than just journalists who can be awarded a Pulitzer Prize. For the full list, see the Wikipedia : https://en.wikipedia.org/wiki/Pulitzer_Prize#Categories

[jimbokun]

Of those, Public Service is probably the best fit for Fowler's piece.

EDIT: As Anders points out in the article.