Hugh Jackman is an Australian–British actor, singer, and producer. Wikipedia
Source: "I now gift [this book] very regularly." - Hugh Jackman
Source: "Completely reverses the way you look at the world when you walk outside." - Hugh Jackman
Source: Hugh Jackman mentioned this book on "The Tim Ferriss Show" podcast.
Source: "A little book that [I give] to anyone who lives in New York or likes New York." - Hugh Jackman
Source: "Another thing I learned from [this book] when I was getting ready for Wolverine, the cold bath. So I have a cold shower every morning." - Hugh Jackman