Harry S. Truman

1
Harry S. Truman The Atomic Bomb
Power point created by Robert Martinez Primary
Content Source Speaking of History Vol. II, by
Laura Belmonte
http//www.danzfamily.com/archives/blogphotos/06/3
93-tibbets-enola-gay.jpg
2

• In 1939, physicist Albert Einstein warned
  President Franklin Roosevelt that the Nazis were
  capable of producing a weapon that harnessed
  atomic energy.

http//www.the-planets.com/star-biography/Albert-E
instein-Imagination.jpg
3

• In response, the Roosevelt administration funded
  small studies of the military potential of
  fission chain reactions.

http//www.mphpa.org/classic/HF/Photos20-20Group
s/group_20.jpg
4

• When the United States entered World War II,
  these efforts expanded into the Manhattan
  Project, a top-secret program employing more than
  120,000 people.

http//www.unit5.org/christjs/fermi-1.jpg
5

• American, British, and Canadian scientists (the
  Soviets excluded), collaborated in laboratories
  in Chicago, Oak Ridge, Tenn., and Los Alamos, New
  Mexico.

http//www.losalamoshistory.org/mptest.jpg
6

• Their challenges included collecting enough
  fissionable material to produce a nuclear
  explosion and devising a weapon that could be
  dropped from an airplane.

http//www.atomicarchive.com/History/trinity/jumbo
.shtml
7

• On July 16, 1945, scientists at Los Alamos
  exploded the first atomic bomb (Trinity test.)

8

• At that time, the Allies had defeated Nazi
  Germany but were locked in fierce combat against
  Imperial Japan.

http//www.nps.gov/archive/wapa/indepth/extContent
/wapa/guides/offensive/images/fig20.jpg
9

• Earlier in the year, U.S. forces sustained heavy
  casualties in battles at Iwo Jima and Okinawa.

http//www.ahoy.tk-jk.net/macslog/BloodyIwoJima.A3
6dayBattl.html
10
http//ahoy.tk-jk.net/Images8/Iwo_Jima/FlagRaising
PhotographIwoJima.jpg
11

• Although the Japanese lost over 110,000 soldiers
  and 80,000 civilians in these clashes, they
  continued to fight.

http//img25.echo.cx/img25/3126/esci2040rx.jpg
12

• U.S. military planners predicted huge losses if
  American forces invaded the Japanese home islands.

http//www.archives.gov/research/african-americans
/ww2-pictures/images/african-americans-wwii-101.jp
g
13

• News of the atomic bombs successful test gave
  President Harry S. Truman an alternative.

http//www.vw.vccs.edu/vwhansd/HIS122/Truman_Hiros
hima.html
14

• On July 25, while he was attending the Potsdam
  Conference with Soviet and British prime
  ministers, Truman issued secret orders to use the
  bomb if the Japanese failed to surrender by
  August 3.

http//www.flickr.com/photos/stefano_p/345154331/
15

• The Potsdam Declaration warned Japan that it
  faced prompt and utter destruction if it did
  not capitulate (end hostilities.) The Japanese
  rejected the ultimatum.

Hideki Tojo
http//www.dictatorofthemonth.com/Tojo/Apr2007Tojo
EN.htm
16

• In response, Truman ordered the military to use
  atomic weapons.

http//www.lastplace.com/UFOArt/enola_gay.jpg
17

• On August 6, the B-29 Enola Gay dropped a uranium
  bomb on Hiroshima, instantly killing at least
  70,000 people and leveling five square miles.

http//www.webconverters.com/jec
18
http//media.brajeshwar.com/photos/collection/hiro
shima-bombing.jpg
19
http//www.infonature.org/english/_graphics/images
/cultural_img/ww2_abomb/abomb_hiroshima_p9.jpg
20
http//www.derechoshumanosbolivia.org/img/ae/hiros
hima.jpg
21
http//elpromotorcomunista.blogia.com/upload/Hiros
himaHosp.jpg
22

• On August 9, the United States dropped a
  plutonium bomb on Nagasaki, and 40,000 people
  instantly perished.

http//www.patriagrande.net/estados.unidos/nagasak
i.jpg
23
http//www.anawa.org.au/weapons/pic-nagasaki.html
24
http//purnasenozierzo.blogia.com/upload/nagasaki.
jpg
25

• On August 14, Japan finally surrendered after
  receiving assurances that Emperor Hirohito could
  retain his throne.

http//www.flickr.com/photos/msh-images/410781844/

26

• The decision to use the bomb remains hotly
  disputed. Critics offer several motives,
  including the desire to save American lives,
  anti-Japanese racism, and intimidation of the
  Soviet Union.

http//www.serendipity.li/more/i4a.jpg
27

• Although we will never know the answer, nuclear
  weapons undoubtedly changed the course of modern
  history.

http//www.edu.lahti.fi/vvaljakk/WW20II/truman.j
pg
28

• Let there be no mistake about it. I regarded
  the bomb as a military weapon and never had any
  doubt that it should be used.
• - President Harry S. Truman

http//www.medaloffreedom.com/HarryTrumanFreedomDa
y.jpg