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Larry Rohter

Larry Rohter, a former Rio de Janeiro bureau chief for the New York Times, is the author of Into the Amazon: The Life of Cândido Rondon.

Theodore Roosevelt, right, and Cândido Rondon, second from right, led the fateful mission to map an uncharted waterway and document natural wonders.

Teddy Roosevelt’s Perilous Expedition on the Amazon

The dangerous—yet victorious—trip wouldn’t have been possible without Cândido Rondon, an icon of Brazilian history