Hey! Guessing by your handle, your son is Alex, yes? He's done some really cool work. I particularly love his paper "Type Systems as Macros" that he wrote with

Hey! Guessing by your handle, your son is Alex, yes? He's done some really cool work. I particularly love his paper "Type Systems as Macros" that he wrote with Stephen Chang and Ben Greenman (my advisor now). Super cool stuff.