Term

John

John Heinrichs, the author's brother.

Explained in

Thank You for Arguing, Jay Heinrichs
The Monk Who Sold His Ferrari, Robin Sharma
The narrator, a lawyer and a former colleague of Julian. It is to him that Julian passes on the teaching of the sages.
Fooled by Randomness: The Hidden Role of Chance in Life and in the Markets, Nassim Nicholas Taleb
A fictional character in the book, Nero's neighbour. For years he earned more than Nero, and he was wiped out in the summer of 1998.
Antifragile: Things That Gain from Disorder, Nassim Nicholas Taleb
One of the two twin brothers in Taleb's example, an employee in the personnel department of a London bank.
Maybe You Should Talk to Someone, Lori Gottlieb
Gottlieb's client, a TV producer who at first thinks everyone around him is an idiot.