

A forester whose poetic land ethic transformed modern conservation from simple resource management to a moral philosophy of ecological kinship.
Aldo Leopold began his career as a product of the early 20th-century conservation mindset, a hunter and forester tasked with predator eradication and efficient land use. A transformative moment—watching the 'fierce green fire' die in the eyes of a wolf he shot—began a profound intellectual shift. He moved from the U.S. Forest Service to academia, eventually teaching at the University of Wisconsin. There, he purchased a worn-out farm on the Wisconsin River, a 'sand county' retreat where he and his family practiced restorative ecology, replanting pines and observing the slow return of life. His experiences crystallized in 'A Sand County Almanac,' published posthumously. The book's lyrical essays argued for a 'land ethic' that enlarged the boundaries of community to include soils, waters, plants, and animals. He redefined conservation not as an economic equation but as a state of harmony between people and land, a idea that became the bedrock of the modern environmental movement.
1883–1900
Came of age during World War I. Disillusioned by the carnage, they rejected the certainties of the Victorian era and built modernism from the wreckage — in art, literature, and politics.
Aldo was born in 1887, placing them squarely in The Lost Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
The biggest hits of 1887
The world at every milestone
Boxer Rebellion in China
Wright brothers achieve first powered flight
Einstein publishes the theory of special relativity
Ford Model T goes into production
Russian Revolution overthrows the tsar; US enters WWI
Lindbergh flies solo across the Atlantic; The Jazz Singer premieres
Hindenburg disaster; Golden Gate Bridge opens
India gains independence; the Dead Sea Scrolls found
Israel declares independence; Berlin Blockade begins
He was the first professor to hold a chair in Game Management at the University of Wisconsin.
The Leopold family's 'Shack' in Baraboo, Wisconsin, is now a National Historic Landmark.
He died of a heart attack while fighting a grass fire on a neighbor's farm in 1948.
A moon crater on the far side of the moon is named 'Leopold' in his honor.
“A thing is right when it tends to preserve the integrity, stability, and beauty of the biotic community. It is wrong when it tends otherwise.”