Max Pearson presents a collection of the week's Witness History interviews from the BBC World Service. Our guest is Sahar Saleem, an Egyptian paleoradiologist specialising in using medical imaging technology to study mummies and ancient artefacts.

We start with the story a Jewish interpreter who helped guard Adolf Hitler's teeth in the final days of the Second World War.

Then, the engineering efforts to reduce the tilt of the Leaning Tower of Pisa - which kept it closed to the public for 11 years.

We hear a Nepalese activist recall the massive protests that led to the restoration of multi-party democracy in 1990.

Plus, a childhood memory of the first major surrealist exhibition in New York.

Finally, we hear of the current whereabouts of Jorge, a popular Argentine sea turtle.

Contributors:

Lyubov Summ - granddaughter of interpreter Yelena Rzhevskaya.

Nunziante Squeglia - professor of geotechnics at the University of Pisa.

Durga Thapa - Nepalese activist.

Carroll Janis - performer at the first major surrealist exhibition.

Nicky Salapu - former goalkeeper for American Samoa,

Alejandro Saubidet - Argentine marine biologist.

(Photo: Pisa Leaning Tower and Pisa Cathedral, in the celebrated Piazza dei Miracoli. Credit: Getty)

Max Pearson presents a collection of the week's Witness History interviews from the BBC World Service. Our guest is Dr Sarah Ward, a maritime archaeologist from the Australian National University.

We start with the discovery of the sunken Terra Nova, Scott of the Antartic's ship.

We hear from the Danish food entrepeneur Claus Meyer - a driving force behind New Nordic Cuisine.

Then, the long journey that finally took Picasso's Guernica to Spain.

Plus, the Chinese pharmacist who invented the e-cigarette.

And, the life of Echo the elephant - the star of the world's longest-running study of wild elephants in Kenya.

Finally, "fan man" James Miller and boxing's most bizarre night.

Contributors:

Leighton Rolley - oceanographer.

Dr Sarah Ward - maritime archaeologist from the Australian National University.

Claus Meyer - Danish food entrepeneur.

Ambassador Rafael Fernandez-Quintanilla - Spanish diplomat (from BBC archive).

Hon Lik - inventor of the e-cigarette.

Dr Cynthia Moss - founder of the Amboseli Elephant Research Project.

Marc Ratner - former representative of the Nevada State Athletic Commission.

(Photo: The Terra Nova held up in the pack, Antarctica, 1910. Credit: Herbert Ponting/Royal Geographical Society via Getty Images)

Max Pearson presents a collection of the week's Witness History interviews from the BBC World Service. Our guest is Paulina Guzik, International editor with the Catholic wire service, OSV News.

We start in 1986 when Pope John Paul II visited New Zealand.

Then, we hear about the reunification of Germany in 1989 from a key political advisor.

How one Maasai community overcame a devastating drought in 2013.

The recollections of one of the first people to walk the entire length of the Great Wall of China in 1984.

Next, the first official penalty shootout in 1970 that changed football forever.

Finally, we look at an essay published in 1999 that was an unfiltered look into restaurant kitchen culture.

Contributors:

Michael Jarka - a man who met Pope John Paul II.

Paulina Guzik - OSV News.

Joachim Bitterlich - a key advisor to Chancellor Helmut Kohl.

Dalmas Tiampati - founder of Ildalalekutuk Maasai Action for Development.

Yaohui Dong - one of the first to walk the entire length of the Great Wall of China.

Frankie Banks - former Hull City player.

Martyn Kelly - a football fan.

Philip Lajaunie - Anthony Bourdain's former boss at Les Halles restaurant, New York.

(Photo: Pope John Paul II blesses the crowd during Mass at Auckland Domain. Credit: Reuters/Luciano Mellace)

Max Pearson presents a collection of the week's Witness History interviews from the BBC World Service.

We hear from a Cypriot lawyer, imprisoned by the British for almost two years during the "Cyprus Emergency” of 1955-1959.

Our guest, Professor Rebecca Bryant, explains how this period impacted life in Cyprus in the following years.

Plus, the story of India’s controversial nuclear deal with the USA in 2006 and when thousands of people rallied against a racially motivated killing in Norway.

We also learn about the questionable conviction of four men in Mauritius, who became known as the L’Amicale Four, and about how Tunisian independence helped improve women’s rights 70 years ago.

And finally, the remarkable story of when the unfancied Czech Republic reached the final of Euro 96.

Contributors:

Renos Lyssiotis - former Cypriot lawyer.

Dr Rebecca Bryant – Professor of cultural anthropology at Utrecht University.

Ronen Sen – former Indian ambassador to the United States.

Luciana Parvaneh Zehi – friend of Benjamin Hermansen.

Imran Sumodhee – one of the L’Amicale Four.

Saida El Gueyed – founding member of the Women’s Union in Tunisia.

Patrik Berger – former Czech footballer.

(Photo: British troops searching for EOAK fighters in 1956. Credit: Bert Hardy/Getty Images)