Physics is a natural science that studies matter and its motion through space time.
That's true. It is one of the most fundamental scientific disciplines. The main goal of physics is to understand the universe.
Maybe the most famous physicist is Albert Einstein who created the mass energy equation.
That's true. He was also known for the influence he had on the philosophy of science.
He his his knowledge to help create the first Atomic Bombs.
That all led to the 1945 drop of two fission bombs on Japan.
That is correct. Which ultimately ended WW2 and possibly saved thousands or millions of lives.
True, but the Soviet Union still wanted in on the game and starting developing their own atomic bomb project.