Ask him about his hobbies and Tony Wheeler has to think hard. “Well, I did scuba dive in Papua New Guinea,” he says slowly. “Then, reading, yes. I read, mostly travel books.” Lonely Planet’s co-founder chases happiness over journeys, in wildernesses. He is constantly winding and unwinding from one excursion to the next, seeing the fun in the work and the work in the fun. Did we hear anyone over 65 was a senior citizen? Wheeler apparently didn’t. He is on the road most of the time and confesses to feeling more like an 18-year-old backpacker than a white-haired publishing honcho. “Someone offered me his seat in the Delhi metro once,” he laughs. “I refused politely.”