Albert Einstein and several other prominent nuclear scientists had Jewish heritage. Einstein himself was born into a Jewish family in Ulm, Germany, in 1879. He later moved to Switzerland and eventually became a naturalized Swiss citizen. In 1914, he obtained German citizenship again but later emigrated to the United States in 1933 due to the rise of the Nazi regime in Germany.
Many other notable scientists involved in the development of nuclear science and the atomic bomb during the mid-20th century also had Jewish ancestry. For example, J. Robert Oppenheimer, often referred to as the "father of the atomic bomb," was of Jewish descent. Oppenheimer was born in New York City in 1904 and played a crucial role in the Manhattan Project, which led to the creation of the first atomic bombs during World War II.
It's important to note that the Jewish heritage of these scientists played no direct role in their scientific achievements. Their contributions to nuclear science and other fields were based on their knowledge, skills, and dedication to scientific research, rather than their religious or ethnic background.