Krakauer spends an entire chapter on Everett Ruess. How is Ruess similar to McCandless?

Like McCandless, Reuss was impetuous, unconcerned with his safety, and rarely bothered by the discomfort of being without things that we would consider necessary. Like Chris, he was a romantic..... he was mysterious, changing his name regularly.... signing his name Nemo. Both men died young, Reuss was never found, and it isn't even certain, merely assumed.

Yes