After building his reputation covering the US civil rights movement in the 1960s, the photographer went on to produce some of the most enduring images of the past century.
A new law change is enabling Britain’s donor-conceived children to know the truth about their origins – but campaigners say the fertility industry must do more to protect people.
Filmmaker Laura Poitras discusses her new documentary which traces the remarkable life of the artist-activist and the impact of her battle against the US opioid crisis.