This 1971 photo provided by The World Food Prize Foundation shows Dr. Daniel Hillel introducing drip irrigation in Japan. Hillel, who is credited with developing drip irrigation methods that conserve ... more 
This 1971 photo provided by The World Food Prize Foundation shows Dr. Daniel Hillel introducing drip irrigation in Japan. Hillel, who is credited with developing drip irrigation methods that conserve water while allowing food to be grown in some of the world's driest climates, was named the winner of the World Food Prize, Tuesday, June 12, 2012. (AP Photo/This undated photo provided by The World Food Prize Foundation) less 
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Associated Press | Photo By This undated photo provided by The World Food Prize Foundation
Tue, Jun 12, 2012 2:42 PM EDT