One of my favourite writers, with one of my favourite blogs: Gwern.net. I find his writing impeccably interesting and reliable. I discovered him by accident in 2013, having saved his article on spaced repetition in my Pocket account.
My favourite blog posts
In a few paragraphs he details his experience and criticism of Google Fonts, all of which I agree with.
I find his colour sense and typographical taste a little ghastly, but also fascinating to read about his reasoning, which he documented very thoroughly in Design Of This Website.
My favourite post is the one about Death Note: L, Anonymity & Eluding Entropy. But I also enjoy his blog post about Dune: Dune notes
He experimented with an under desk treadmill for a few months and wrote a lot.
He has extensive thoughts about PKM in his listicle, Information Organizing
He also has a Github with the source code of his blog, in PHP.
He also posts over on Less Wrong as himself, and Hacker News as himself.