Product Review
This report describes the effects of the atomic bombs which were dropped on the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively. It summarizes all the authentic information that is available on damage to structures, injuries to personnel, morale effect, etc., which can be released at this time without prejudicing the security of the United States.
This report has been compiled by the Manhattan Engineer District of the United States Army under the direction of Major General Leslie R. Groves.
Foreword
Introduction
The Manhattan Project Investigating Group
Propaganda
Summary of Damages and Injuries
Main Conclusions
The Selection of the Target
Description of the Cities Before the Bombings
Hiroshima
Nagasaki
The Attacks
Hiroshima
Nagasaki
General Comparison of Hiroshima and Nagasaki
General Description of Damage Caused by the Atomic Explosions
Total Casualties
The Nature of an Atomic Explosion
Characteristics of the Damage Caused by the Atomic Bombs
Calculations of the Peak Pressure of the Blast Wave
Long Range Blast Damage
Ground Shock
Shielding, or Screening, from the Blast
Flash Burn
Characteristics of Injuries to Persons
Burns
Mechanical Injuries
Blast Injuries
Radiation Injuries
Shielding from Radiation
Effects of the Atomic Bombings on the
Inhabitants of the Cities
Appendix: Father Siemes' eyewitness account
