Many but most directly effected Japanese
NO.
hiroshima
It did as positive.
Survivors of Hiroshima were called Hibakusha which means explosions affected persons.
See website: Atomic bombings of Hiroshima and Nagasaki
It was in august 1945
The modern atomic theory.
The economy dropped to zero.
100,000 - 1 million
hiroshima and nagasaki in japan
The Hiroshima and Nagasaki atomic bombings for a start.
The affected radius of land from nuclear fallout after the Hiroshima bombing was roughly 10 km (6.2 miles) from ground zero. This area suffered substantial damage and contamination from the blast and radiation.