In 1963, Illinois naturalist May Watts, inspired by walking paths she’d seen in Britain, wrote a letter to the editor of the Chicago Tribune, suggesting converting a stretch of abandoned railroad into ...
In the mid-1960s, two nature lovers in Rochester, New York, concocted a bold, blood-pumping challenge. Inspired by John F. Kennedy's commitment to physical fitness, Waldo Nielsen and Ralph Colt vowed ...
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