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This is being twenty -- super -- box car.
-- 9 August 1940 -- and dropped an atomic bomb code named fat man bringing World War II to a dramatic.
No nation is detonated a nuclear weapon and hostilities.
-- you'll see tonight that's not the end of the story.
Good evening I'm Oliver North this is war stories coming -- from the national museum of the US air force in Dayton Ohio.
And September of 1942.
American -- and one of the most ambitious scientific and industrial -- and history the Manhattan Project.
It would cost upwards of two billion dollars and employ over a 130000.
But only a handful knew we were in a race against Germany to build the world's first atomic bomb.
It took only a few years the secrets of building these weapons of mass destruction to become known to other friends.
And enemies today at least nine nations have nuclear weapons and others may be close to building their own.
Tonight war story explores the secrets of the bomb.
From the Manhattan Project.
Managing -- ever be put back in the -- -- look and you can't wipe out human knowledge and nuclear weapons program.
Is really about human knowledge so what's the state knows only how to do you really can't -- that capability how concerned.
That we're gonna see war -- and sir I have the high certain -- we've seen in Houston if their weapon.
Within our lifetime.
I think god.
-- -- hot -- saw -- stunning.
How did it all begins.
As Americans struggle to the Great Depression a sinister man in Europe was making headlines.
In 1930 -- 44 year old Adolph Hitler rose to power in Germany propelling him to victory.
A promise to rebuild a nation vanquished in World War I.
Two years later his nefarious intentions were evident.
The institution of the Nuremberg laws begin a ten year persecution of Jews and other quote none area house.
Tens of thousands fled Germany among them many scientists like Albert Einstein.
You had all these brilliant scientists and main news from colleagues from friends from refugees scientists were cleaning anti semitism.
And ninety control laboratory.
And the Germans were pursuing an advanced military and we searched in the area and hearing and vision.
-- -- has gone -- one on -- he's Alice and her grandfather from renowned chemist James Conant was then president of Harvard.
Wouldn't name -- news and they were very interesting and the fact that efficiently produce chain reaction.
And an enormous.
4 o'clock and as a result a lot of scientists like my grandmother and his close friend beneath her bush at MIT -- became concerned on many fronts and it told me about your group.
He was a button down yankees.
And it's very very cautious conservative.
Careful what colleagues out of him that that red tape -- through its veins.
There are very aware of popular.
And there are very aware of the high tech lady still think.
To order -- all the Harvard Dana Mitchell's father in the -- was teaching physics at New York's Columbia University.
The elder Mitchell shared James -- -- clear that the Germans are way ahead in the race to harness atomic energy.
What was the -- German nuclear site.
It was quite advanced German physics was -- fact that American physics couldn't compare with it.
Greg -- and has a history professor at University of California were sent.
He spent nearly thirty years researching -- Manhattan project for his book brotherhood of the ball.
There are concerned from the beginning -- the American scientists -- determined to help -- papers.
Atomic -- was released little bottle in December 1938.
German tennis I don't content for stress and discovered something called nuclear -- On patrol discovered.
If people -- write about it all uranium atoms.
And and one -- you do oh they have -- -- who's involved.
At the time future chemist in Manhattan Project veteran bill -- -- was still high school student.
And Allentown Pennsylvania.
-- ten million times.
Edward -- produced public memorial from.
People of dynamite or didn't mean it wasn't too long before the realization came it would be possible to actually -- Because of the situation in Germany many refugees.
Became -- that but not -- he's.
In 1939 Einstein writes a letter to president Roosevelt that was -- Who people primarily.
Leo it's in large.
Would help -- And Leo so large US -- Hungarian scientists became extremely concerned that the Germans were focusing on uranium -- to turn it into a military.
He realized that you need to get those concerns this worry before the American president.
Before FDR and probably -- the scientists who could do this -- Albert Einstein was living on Long Island at the time.
Well Einstein served his friends and to be alert and teller convince the father of relativity.
To sign this letter it read.
Germans are intricately on Christmas.
Decisive weapon and we need to get there before they did.
For the time the letter reached president Franklin Roosevelt peppers armored columns were already conquering Europe.
All most of Europe it's -- war he Robert Norris -- reason for the Obama.
The United States was able to stay out until the end of 41.
Nevertheless everyone is investigating.
The possibility of whether -- not a -- can be produced.
In 1939 Italian physicist Enrico Fermi was the first to receive federal funding for -- research at Columbia.
3000 miles away at Berkeley the talented American Ernest Lawrence was expanding his Nobel Prize winning invention the -- -- The device used to smash had a America's bomb project was off to a modest start borrowing under the bar high and high.
Fueled by the fear of -- scientific for hours our British allies embarked on -- mission to build their own nuclear weapons.
We -- enormously grateful they had given us a lot of their pioneering nuclear -- search.
Greatly speeded up our early efforts -- -- a bump it's feasible to -- and currently studying them.
Concluded that it would be possible to build a uranium bombs would have extraordinary power the British summarized their findings in the top secret log report.
A blueprint for the -- it concluded that in the place to be billed as little as two years the cost 25 million.
But the British scientists also realized they did not have the infrastructure.
They were under attack -- Germany it is happening scientific or technical wherewithal to built upon.
-- early 1941.
A copy of the log reported made its way to all the right people.
FDR's new scientific advisors than -- bush and James told.
And physicist Ernest Lawrence Berkeley.
Lawrence and went around the country -- the idea we need to get killing Americans coming so once accomplishment -- work on forward.
There was no stopping --
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