Yossi Ghinsberg was born and raised in Tel Aviv, Israel and served three years in the Israeli Navy on the Red Sea where he befriended the Bedouins of the Sinai Desert. After he was released from service, he traveled on a wandering backpacking journey through South America. During the trip, he was separated from his traveling companions and became lost in the Bolivian rainforest for over a month during the height of the rainy season. Wikipedia
The definitive Wikipedia entry for Yossi Ghinsberg. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Yossi_Ghinsberg