Welcome back to the home of the oxymoron. Evil genius. He asked the newspaper to print his obituary early so he'd enjoy it. That's like hiding at your own funeral. Yeah, it's a big, great gig. I'm Russell Kane. Join me to weigh in on whether the biggest players in history are more evil or genius. Becoming that rich, I'd say that at some level of genius. It also helps that it's a long time ago, right?

It's like the podcast version of telling your kids the ice cream van plays music

when it's out of ice cream.

Listen to evil genius on BBC Sounds.

This is a special download from the BBC Free Thinking Festival.

For more information and our terms of use, go to BBC.co.ukuk slash radio 3.

Hello and welcome to the Derry Playhouse for a free thinking programme from the UK City of Culture,

which is just the latest in its long litany of names.

It's Derry, it's London Derry, it's Derry, London Derry, it's the maiden city,

the walled city, stroke city, free dairy, legendary. Have I missed any out? Tonight we'll look for the

stories of all of these places, in the physical stuff of the city itself, in the topography

and the geography, in the architecture,

the bricks, the stones, the slates and the pebble dash. We'll do that with the cultural historian

Owen Hatherley, author of militant modernism and a new kind of bleak, the architect Mary Kerrigan,

who's lived in the city since the 1980s, and the crime writer

Brian McGilloway, whose Inspector Devlin haunts these streets. Welcome them, please.

Now, I suppose Derry is known principally as a walled city.

There's the obvious one that surrounds the old town,

the one against which the siege was made.

But Mary, it seems a uniquely divided and subdivided kind of space.

I feel I see walls everywhere here.

Yeah, well, I think that the walled city of dairy is completely unique, I suppose, created

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