Witness History Folgen

In 1992, a photograph of Princess Diana alone on a bench in front of the Taj Mahal became one of the most famous photos in the world. Anwar Hussein was a photographer who documented the lives of the British royal family. His first visit to the Taj Mahal was to photograph Prince Charles in 1980. He tells Gill Kearsley about his relationship with the royal family and about taking the iconic photograph. (Photo: Princess Diana alone outside the Taj Mahal. Credit: Anwar Hussein/Getty Images)

In 2009, the Indian government embarked on an ambitious task to register all of the country's billion-plus citizens with a unique digital ID. Aadhaar - which means foundation in many Indian languages - became the world's largest ever biometrics project.It allowed millions of people to open bank accounts or access a mobile connection for the very first time. But the project also attracted considerable opposition from privacy advocates and civil rights groups, who brought a case that went all the way to India's Supreme Court. Dan Hardoon speaks to Nandan Nilekani, who chaired the Aadhaar project.(Photo: Aadhaar system. Credit: Getty Images)

In 1963, Dr Jose Ignacio Barraquer Moner performed the first surgery on a human eye aimed at correcting short-sightedness. The ophthalmologist had been developing his technique for years, believing that there was a better solution for blurry vision than wearing glasses.But he had to move from Spain to Colombia to begin his experimental surgery which involved dry ice, a watchmaker’s lathe and rabbits. The idea was to change the shape of the cornea – the front layer of the eye - to focus vision.First, he sliced off the patient’s cornea then dunked it in liquid nitrogen, before using a miniature lathe to carve the frozen cornea into the right shape. Next, he thawed the disc and sewed it back on. Jose’s initial surgery was performed on rabbits, but in 1963 he carried out the first procedure on a human patient, a 9 year old girl. It was a success, and soon doctors from around the world were flocking to Colombia to find out more.Barraquer called this procedure keratomileusis, from the Greek words for “carving” and “cornea.” The technique was the forerunner of Lasik eye surgery when the lathe was replaced with lasers.Jose’s daughter, Carmen Barraquer Coll followed her father into ophthalmology and tells Jane Wilkinson, how he inspired her.(Photo: Lasik eye surgery in 2009. Credit: BSIP/UIG Via Getty Images)