Max Pearson presents a collection of this week's Witness History episodes from the BBC World Service. Our guest is Barbara Waibel, author of a book on the Hindenburg and Director of Archives at the Zeppelin Museum in Friedrichshafen, Germany. She tells us about the history of airships.
We begin with some remarkable archive of the Hindenburg airship disaster in 1937. Then British scientist Jonathan Shanklin describes how he discovered the hole in the ozone layer in 1985.
In the second half of the programme we hear from a NASA scientist who worked on the Voyager space probe which took the famous 'Pale Blue Dot' photo of Earth. A physicist from Quebec remembers when a solar flare plunged the Canadian province into darkness. And we hear the exciting and dangerous story of the invention of the wingsuit.
Contributors: Barbara Waibel - Author and Director of Archives at the Zeppelin Museum in Friedrichshafen, Germany. Jonathan Shanklin - Scientist who discovered the hole in the ozone layer. Candice Hansen - NASA scientist. Aja Hruska - Physicist from Quebec. Jari Kuosma - Inventor of the commercial wingsuit.
(Photo: Hindenburg airship. Credit: Corbis via Getty Images)
Presidential diamonds and Tupperware parties
Dinosaur discoveries and a Berlin Wall treehouse
West African food and computer viruses
Wartime surrenders and the birth of Barbie
Five great inventions that changed the world
Tourism arrives in the Maldives and a royal night out
South Korea store collapse and Lady Gaga's meat dress
Somalia's civil war and golf on the moon
Amazing photographs and the people who took them
Inuit children taken from families and Le Mans crash
Scaling Everest, the highest mountain in the world
Bosnian concentration camp photo and hero clown
Singapore executes Filipina maid and German child evacuees of World War Two
World War Two African victory and 'Kai Tak heart attack'
The 'Stone of Destiny' and a self-proclaimed Emperor
Artist Althea McNish and history of the Met Gala
The history of dogs
Unearthing World War II mass graves and the Boston bombing
Escaping Eritrea and inventing Zumba
The godfather of manicures and India's Silicon Valley
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