He tells her that she will be sent to France as a secret agent, and if she's caught, she's going to be shot.

I'm Helen Obalam Carter, and this is history's secret heroes, where I shine a light on extraordinary stories from World War II.

What they wanted was someone to get themselves arrested and sent to Auschwitz.

Tales of deception, an incredible acts of resistance and courage.

She was a born soldier.

She's a freedom fighter in its widest sense.

The brand new series of History's Secret Heroes.

Listen first on BBC Sounds.

To be a polar explorer, you don't need great keep-fit muscles.

It's all in the mind.

And once you've got your anorak hood on and pulling the sledge like that, that was crossing green then actually.

That's the day the sun came back, that magic day.

Once the sun came back, you know, there's a reason for going,

but up until then it had been dark, and you put your anorak hood on,

and you can't communicate whether you're on your own.

It's not keep fit muscles from the gym.

It's good old-fashioned women's stuff of slogging on.

Hello, good morning.

You're listening to Out of Doors on BBC Radio Scotland.

I'm Mark Stephen and with me this morning, Miss Helen Needham.

Now, for the next half hour, Helen and I are going to be talking to somebody pretty remarkable.

She was a mountaineer, a canoeist.

...