From Billboard:

Nilesh Patel, the mastering engineer behind classic tracks by the likes of Air, Bjork, Daft Punk and Pulp passed away Wednesday morning according to numerous social media reports.

The news of his passing was verified by the The Exchange, the London mastering studio in Camden where
Patel worked for over twenty years.

Full story here.

I must admit I only heard of him now, his discography is insane tho. As well as the artists mentioned above he also did The Prodigy Experience, Positive Education by Slam etc etc.