Rate five things you know, from any shelf. Your archetype shows up in about a minute, and gets sharper with every log.

Joshua Foer is a freelance journalist and author living in Brookline, Massachusetts, with a primary focus on science. He was the 2006 USA Memory Champion, which was described in his 2011 book, Moonwalking with Einstein: The Art and Science of Remembering Everything.
American freelance journalist; memory champion (born 1982) · From Wikipedia