Autor/-in: Helen Thayer

HELEN THAYER. has skied to the magnetic North Pole, lived among wolves in Alaska, kayaked in the Amazon, walked across the Sahara, and represented three countries as a track and field athlete. She is the author of Polar Dream and Three Among the Wolves and the recipient of countless awards. Thayer was named "One of the Great Explorers of the 20th Century" by National Geographic. and is the president of Adventure Classroom, an international educational project.