The term "Emil Klaus Julius Fuchs" refers to a specific historical figure, not a common English word. Let's break down who he was and provide some context for understanding.
Emil Klaus Julius Fuchs (1911-1988) was a British physicist born in Germany. He fled Germany to escape Nazi persecution. In the 1940s, while working on atomic research in the United States, he secretly passed information about the development of the atomic bomb to the Soviet Union (USSR).
"Emil Klaus Julius Fuchs was a controversial figure due to his role in sharing atomic secrets with the Soviet Union during the Cold War."
There are no specific idioms or phrasal verbs directly related to Emil Klaus Julius Fuchs. However, you might find phrases like "to pass information" or "to share secrets" relevant when discussing similar contexts.
Emil Klaus Julius Fuchs is an important historical figure in the context of science and espionage during the 20th century.