Hello and welcome to the History Hour podcast from the BBC World Service with me Max Pearson,

the past brought to life by those who were there.

Coming up, a return to Auschwitz as former Nazis were put on trial in a German court.

The defense lawyers were being quite laid back about things,

but then as the talk continued, they got quieter and more reflective

as they realized what their clients had done there.

Plus the 1958 race riots in London's Notting Hill,

as well as the later race riots in the former East German city of Rostock,

and the couple who might have made a fortune when they head

upon the idea of the Botox treatment for wrinkles. We did approach a lawyer and

the opinion that we got was that it was not patentable, which turns out to have been wrong.

That's coming up later. But we begin by reaching back into the BBC Archives to get another riveting and revealing look at the First World War.

We're still marking the centenary of events surrounding the conflict which tore Europe apart,

pitting Britain, France and Russia as the leading powers of the Allies, against Germany and the Austro-Hungarian

Empire. As it unfolded, with the numbers killed running into the millions, it was thought

of as the war to end all wars. We now know of course that it didn't do that.

What it did do, however, was to change the face of war forever.

A lot has been written and said about how the business of fighting and killing was mechanized

by the events of a hundred years ago, but for this report, Alex Last has been listening to first-hand

accounts from the archives of how Medicine was changed by the First World War.

I hadn't had any sleep, it seemed for weeks and no rest. I was tired of all the

cards, all the sacrifice I think I'd reached my lowest end. In the First World War

...