Created; <2010, Changed 01/03/2020, 23/03/2020

Old this page;  http://ww1.andrew-lohmann.me.uk/environment/effects/


The Effects of the Atom Bombs at Hiroshima, and Nagasaki Report of the British mission to Japan HMSO 1946 British Mission Home Office

Professor W.H.Thomas M.A. D.Phd. M.inst.C.E. F.R.I.B.A.

Dr J Bronowski, M.A., Ph.d.

D.C. Burn, M.A., M.Inst.C.E., A.M.I. Mech.E.

J.B. Hawker, A.R.I.B.A

H. Elder, L.R.I.B.A.

P.A. Badland, B.Sc., A.M.Inst.C.E., A.M.I Struct.E.

R.W. Bevan, B.Sc.

F.H. Pavry, B.Sc., A.M.Inst.C.E.

F. Walley, B.Sc., A.M.Inst.C.E.

O.C. Young, B.Sc., A.M.Inst.C.E

Government of India Dr S Parthasarathy, D.Sc., F.inst.P., F.R.I.C.

Hiroshima August 6th 1945 after 8 am American Super Fortress flying at 30,000 feet. Nagasaki August 9th after 11am super flying fortress found primary target cloud covered, and dropped bomb on Nagasaki. 

Hiroshima 4 sq miles Destroyed 80,000 people killed 

Nagasaki 1 1/2 sq miles destroyed 40,000 people killed

Pre- Bomb Population Hiroshima below 245,000 due to evacuation, and due to troops, workers, and fire breakers up to 320,000 

Nagasaki 260,000 20 Kilo tons reported in November wind 500 MPH at peak 30 pounds/sq inch. 35 Bridges within 2 miles radius damaged Nagasaki 40 Bridges within 2 miles radius damaged 


Black Ink on white paper burnt out at 1 1/2 miles Severe Burns 1500 yards Mild Burns 2 1/2 miles 

Majority of Radiation deaths within 3 weeks loss of hair at 1 1/2 miles. 

Milder Radiation effects at 2 miles. Severe injury rare beyond 1 1/4 miles but some at 2 miles. 

Hiroshima 78,150 dead 13,983 missing 

Number killed due to air attack in London during WWII 30,000, and great Britain including London 60,000. 

Distribution of 15,000 School children killed in Hiroshima 0 – 1/4 mile 95 % killed in within zone 1/4 – 1/2 85 % 1/2 – 3/4 58 % 3/4 – 1 35 % 1 – 1 1/2 13 % 1 1/2 – 2 miles 1/2 % 

Nagasaki Urakami Valley exposed to radiation 100,000 37,000 Killed by table actual 34,000 estimated Japanese medical records, and 40,000 medical authorities. no official figure yet. 

Estimated that for better Buildings in Britain figures can be reduced by 1/8. Average 65,000 dead for 50,000 dead in Britain compared with V2 15 dead. less than 400,000 homeless. 

Other books Atomic Energy official publications. 

A general account of the development of methods of using atomic energy for Military purposes under the auspices of the United States Government 1940-45. 

Internal Control of Atomic Energy. Report prepared for the secretary of states committee by a board of consultants.

One of the boys at college lent me this booklet.  I did not really know him but I wore lots of CND badges during the 1980s.