Robert E. PearyApril 7, 1770: Poet William Wordsworth is born; he lamented that city dwellers were no longer "Breathing fresh air, and treading the green earth."

April 7, 1890: Marjory Stoneman Douglas is born in Minneapolis. A newspaper reporter, she started her life's work at a time when most people are starting to think about retirement. Douglas was a tireless crusader to save the Florida Everglades, publishing the landmark book River of Grass in 1947.

April 7, 1909: "The Pole at last!" writes Arctic explorer Robert E. Peary (at right) in his journal. But his claim of being the first to reach the North Pole with a team of four others is disputed to this day.

Photo: NOAA Photo Library

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.