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Alfred Wegener
1880–1930 · Meteorologist & Geophysicist
A German meteorologist who proposed that continents drift across Earth's surface. Ridiculed for decades, his theory became the foundation of plate tectonics.
“Scientists still do not appear to understand sufficiently that all earth sciences must contribute evidence toward unveiling the state of our planet in earlier times.”
Why is this scientist famous?
Proposed the theory of continental drift, the foundation of modern plate tectonics.
When you see an earthquake warning or a volcano on the news, you are watching the same moving plates Alfred Wegener first described. He noticed that continents looked like puzzle pieces that once fit together, an idea everyone laughed at — until it was proven true. Today, plate tectonics helps us predict earthquakes and understand our changing planet.
Alfred's story
Early Life
Born in 1880 in Berlin, Wegener studied astronomy, meteorology, and physics. He became interested in Greenland and participated in four expeditions to the ice sheet, making pioneering studies of polar meteorology and the atmosphere.
Continental Drift
In 1912, Wegener noticed that the coastlines of South America and Africa fit together remarkably well. He gathered evidence: identical fossils found on opposite sides of the Atlantic, matching rock formations, and signs of ancient tropical climates in places that are now cold. He proposed that all continents were once joined in a supercontinent called Pangaea, which had slowly drifted apart over millions of years.
Rejection
The geological community rejected Wegener's theory viciously. They mocked him as a mere meteorologist who didn't understand geology. The main objection was that no one could explain how continents could move — Wegener didn't know the mechanism, only that the evidence showed they had. He was right, but he died before he could be vindicated.
Vindication
Wegener died on his fourth Greenland expedition in 1930, age 50, probably of heart failure. In the 1960s, new evidence from ocean floor mapping and paleomagnetism confirmed that continents do move, driven by convection currents in the Earth's mantle. The theory of plate tectonics, built on Wegener's continental drift, revolutionised geology and is now accepted by every geologist on Earth.
What did they discover?
Continental Drift
Proposed that continents slowly move across the Earth's surface, once forming a supercontinent called Pangaea — the foundation of plate tectonics.
Pangaea
Named and described the ancient supercontinent Pangaea, showing how it had split apart to form the continents we know today.
Polar Meteorology
Made pioneering contributions to the study of Arctic climate and meteorology through four expeditions to Greenland.
Amazing facts
He first noticed that South America and Africa fit together like puzzle pieces on a world map.
He was a meteorologist, not a geologist — and geologists mocked him for "trespassing" in their field.
His theory of continental drift was rejected for over 40 years before being proven right.
He celebrated his 50th birthday at a Greenland research station on 1 November 1930, then set out for the coast and did not return. The exact date he died is unknown.
He drew on reports of matching fossils from South America and Africa as evidence that the continents had once been connected.
He also held the world record for the longest continuous hot-air balloon flight — 52 hours — in 1906.
Timeline
Born in Berlin, Germany on November 1
Earned his PhD in astronomy from the University of Berlin
Set a world record for longest hot-air balloon flight: 52 hours
Participated in his first Greenland expedition
First presented his theory of continental drift at a geological meeting
Published "The Origin of Continents and Oceans," detailing his theory of Pangaea
Published a revised and expanded edition of his continental drift theory
Died during his final Greenland expedition, sometime after leaving Eismitte on 1 November 1930; his body was discovered in May 1931.
Plate tectonics confirmed Wegener's theory, 30 years after his death
Awards & honours
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