“You charged a guy from the neighborhood $1800 vig?” he asks incredulously (“vig” is short for vigorish, meaning a rate of interest from a loan from an illegal moneylender).

He has a Gmail account.

Mozgovoy in the case of preprojective algebras)..

[…] I turn with great complacency to the fourth class of my readers, who are men, or, if possible, women, after my own heart; grave, philosophical and investigating; fond of analyzing characters, of taking a start from first causes, and so hunting a nation down, through all the mazes of innovation and improvement.