No one particular scientist or physicist was responsible. The weapon was designed due to the efforts of several individuals and the large working groups which were collectively referred to as The Manhattan Project.
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The bomb design was done by a team of physicists lead by Dr. Oppenheimer, the leading physicist of the group. The bomb was built and parts of it all over the country and Canada. Radioactive material was gleaned in Hanford, Washington, the assembly was done in Alamogordo, New Mexico and parts were made in Canada. There were other contributors to the making of the bombs. The entire project was called the Manhattan Project. You can read more about it on the related link below.
It was made at Los Alamos, that was where all nuclear weapons were made before the USSR tested one in 1949.
The scientists, engineers, and technicians working at Los Alamos, NM.
little boy and fat man they dropped the newly created atomic bomb on japan
The first atomic bomb was dropped on Hiroshima, Japan ; another on Nagasaki, Japan, 3 days later.
hiroshima, Japan
The atomic bomb was dropped on Hiroshima and Nagasaki RB
The second - of two - atomic bombs dropped on Japan was dropped on August 9th, 1945 on Nagasaki.
little boy and fat man they dropped the newly created atomic bomb on japan
It was dropped by the United States by orders of President Truman over Hiroshima, Japan.
Yes but in Japan.
the second bomb was dropped on Nagasaki
The US dropped the atomic bomb onto Japan on August 1945.
The first atomic bomb was dropped on Hiroshima, Japan ; another on Nagasaki, Japan, 3 days later.
Japan was negotiatin with the Soviet Union as the first atomic bomb was dropped.
The atomic bomb.
Hiroshima, Japan.
hiroshima, Japan
On the 6th August 1945 the first atomic bomb was dropped on the Japanese city of Hiroshima. Three days later, a second bomb was dropped on Nagasaki.
It was dropped on Hiroshima, Japan.