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26/09/1887 English engineer Barnes Wallis is born


Barnes Wallis - Dambusters Revealed


Barnes Wallis - TallBoy and Grand Slam Earthquake Bombs


Barnes Wallis - Bouncing Bomb Tests, Dambusters


22,000 lb Grand Slam Bomb

He constructed a special bomb which jumped to the target across water. The British used these bombs in the World War 2 to attack dams on the Ruhr River (called Operation Chastise). Wallis also designed an earthquake bomb and a new type of airframe. He also contributed to the design of first swing-wing aircrafts.
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