They Called It "Impossible" — Until His Weapon Sank 47 U-Boats

Spring 1941. A Canadian scientist crashes Winston Churchill's lunch to demonstrate a weapon the British military had rejected three times over 30 years. Within three years, one American destroyer would use it to sink six Japanese submarines in twelve days—a record never matched in naval history. This is the story of Charles Goodeve and the Hedgehog anti-submarine mortar. The weapon that transformed the Battle of the Atlantic from a losing fight into an Allied victory. Before the Hedgehog, it took 60 depth charge attacks to sink a single U-boat. After Goodeve's invention, it took just 5 attacks. A tenfold improvement that saved thousands of merchant sailors and shortened the war by months. The British Admiralty told him his idea was impossible. They said even "God Almighty Himself" couldn't get it approved. He built it anyway—and gave the Allies the deadliest submarine killer of World War II. From a Manitoba prairie town to the depths of the Atlantic, this is how one stubborn chemist outfought both German U-boats and British bureaucracy. SOURCES & FURTHER READING: • "The Wheezers and Dodgers" by Gerald Pawle (firsthand account from Goodeve's department) • Naval Museum of Manitoba - Sir Charles Goodeve archives • USS England action reports (declassified) • Imperial War Museum - Hedgehog weapon files • Churchill Archives Centre, Cambridge - Goodeve papers