Dermot Mulroney. Biography by Rebecca Flint Marx. An actor whose versatility is matched by the unpredictability of many of his career choices, Dermot Mulroney has been appearing in films since the early 1990s. Born in Alexandria, Virginia, on October 31, 1963, Mulroney developed an early interest in acting.
The first rockets were invented in China sometime between the 9th and 13th centuries (A.D). These were black powder rockets that were essentially what we would call fireworks today, but were technically what are known as solid fuel rockets.
However, the man who is generaly regarded as the father of the A-bomb is J. Robert Oppenheimer, who led the Manhattan Project in the United States, which produced the first ever nuclear weapon.eo Szilard invented the nuclear reactor and nuclear bomb in London in 1933, shortly after the neutron was discovered as an improved source of neutrons for experiments. He was also very aware of their potential destructive effects. He was not able to build either at the time because of lack of a suitable material.