Who among the following was convicted and sentenced to death for leaking bomb-making secrets to the communists?

Julius and Ethel Rosenberg were convicted and sentenced to death for leaking bomb-making secrets to the communists.

Explanation:

Julius Rosenberg was an American engineer who worked for the  Army Signal Corps and his wife, Ethel Greenglass, served as a secretary.  Married in 1939, they met as members of the Young Communist League. The Rosenbergs became the first U.S. citizens to be found guilty during peacetime and executed for espionage. They were accused of conspiring to transfer  atomic secrets of the U.S to the Soviets and were executed for the same in 1953.

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