And here's Ben Goertzel, formerly MIRI's director of research:

I find myself mentally comparing Langan to Eliezer Yudkowsky, another high-IQ maverick who has personally avoided the academic establishment, while developing his own deep and idiosyncratic view of the universe. Both Langan and Yudkowsky have the habit of introducing a lot of novel vocabulary for describing their ideas, though they have different styles of doing so (Langan likes inventing new words; Yudkowsky prefers assigning new meanings to commonplace phrases, e.g. “Friendly AI” or any of the zillion other “defined terms” commonplace on the Less Wrong blog/network he founded). [...] Langan’s style is very clear and elegant, in some places beautiful, but doesn’t do the reader any favors — you really have to read each sentence and absorb it fully before going on to the next.

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Langan’s style is very clear and elegant

Typical Langan, for reference:

In the CTMU, the self-inclusion process is known as conspansion and occurs at the distributed, Lorentz-invariant conspansion rate c, a time-space conversion factor already familiar as the speed of light in vacuo (conspansion consists of two alternative phases accounting for the wave and particle properties of matter and affording a logical explanation for accelerating cosmic expansion).

Goertzel is also co-editor of a book called Evidence for Psi — he's a Cosmist who believes in psychic powers.