The six-page memo that resulted, titled “Some Preliminary Indications of the Shape and Construction of a Sausage, Based on Ideas Prevailing in July 1951,” eventually became the design for the first ...

It was detonated in a test codenamed Ivy Mike at Enewetak Atoll in November 1952, yielding 10.4 megatons of TNT, the measurement that quantifies the force of nuclear weapons.

Richard L. Garwin, a designer of the first hydrogen bomb, died Tuesday, his daughter-in-law, Tabatha Garwin confirmed to CBS News. The renowned scientist was 97 years old.

Experts and former colleagues share their appreciations of Dick Garwin, designer of the hydrogen bomb and an advisor to a dozen US presidents, who passed away on May 13.

Sixteen months later, the test of "Ivy Mike," the first thermonuclear bomb ever detonated, released a yield of 10.4 megatons, nearly 1,000 times more powerful than the bomb dropped on Hiroshima.

The experimental device, code-named Ivy Mike, was successfully tested on the Marshall Islands on November 1, 1952.

Richard Garwin’s role in designing the hydrogen bomb was obscured from the public, even his family, as he advised presidents and devoted his life to undoing the danger he created.

4. Ivy Mike At number four is Ivy Mike, a bomb that changed nuclear science forever. It was the world’s first hydrogen bomb, using thermonuclear fusion a process far more powerful than simple ...

Richard L. Garwin, an architect of America’s hydrogen bomb, who shaped defense policies for postwar governments and laid the groundwork for insights into the structure of the universe as well as ...

The first test of a hydrogen bomb, nicknamed Ivy Mike, on Nov. 1, 1952, on the tiny island of Elugelab in the Enewatak Atoll of the Marshall Islands in the Pacific Ocean. Reuters ...

The first thermonuclear bomb test (hydrogen bomb), Ivy Mike, was conducted by the United States in 1952.The Soviet Union tested the Tsar Bomba in 1961, which was the most powerful bomb ever detonated.