Say what you want about Zed but his output is phenomenal. Every few weeks a new post comes out and so does a new addition to our industry. This guy is great, someone I definitely look up to.
With the common complaints about the various dynamic languages of choice being slow, I don't understand why Lua hasn't gotten more attention. The standard interpreter is many times faster than Ruby and Python, and LuaJIT is several times faster still. It's also an elegant language with a tiny core. I wish it had implicit returns, but nothing's perfect.
The dude just doesn't stop. Not only does he create top notch software but he's got the excellent documentation to go along with it as well so pretty much anyone can pick up the stuff and use it.