Use the photograph below showing the physicists albert einstein and j. robert oppenheimer talking to answer the following question:
the black and white photo shows physicists albert einstein and j. robert oppenheimer sitting and talking.
which of the following topics relates the most to both physicists' contributions to 20th century science history?

mapping the universe
discovering evolution
splitting the atom
creating new elements

The correct answer is "Splitting the Atom".

Scientist Albert Einstein and Robert Oppenheimer made both critical contributions to the development of nuclear weapons. Albert Einstein focused on the theoretical part, proposing his famous "relativity theory", which earned him the Novel Prize for Physics in 1921. On the other hand, Oppenheimer applied the theoretical model of Einstein and applied it to the development of the first Atomic Bomb in New Mexico, which would be later deployed over Hiroshima, Japan on August 6th, 1945.

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.