20-04-2018 Montgomery, Alabama, USA: Freedom Riders Bernard Lafayette (left) and Rip Patton talking with visitors to the Freedom Rides Museum. The museum is housed in the old Greyhound bus station, where Freedom... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves holding a one meter section ice core stored at -36 degrees C. The Laboratory stores 19,000 meters of ice cores from Antarcti... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves holding a one meter section ice core stored at -36 degrees C. The Laboratory stores 19,000 meters of ice cores from Antarcti... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves holding a one meter section ice core stored at -36 degrees C. The Laboratory stores 19,000 meters of ice cores from Antarcti... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves holding a one meter section ice core stored at -36 degrees C. The Laboratory stores 19,000 meters of ice cores from Antarcti... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves holding a one meter section ice core stored at -36 degrees C. The Laboratory stores 19,000 meters of ice cores from Antarcti... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory, cylinders of ice core samples stored at -36 degrees C. The Laboratory stores 19,000 meters of ice cores from Antarctica, Greenland, and North Americ... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory, cylinders of ice core samples stored at -36 degrees C. The Laboratory stores 19,000 meters of ice cores from Antarctica, Greenland, and North Americ... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves packing insulation in a box of ice cores being shipped to a scientist. The Laboratory stores 19,000 meters of ice cores from... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory, an ice core from Greenland is prepared for cutting. The Laboratory stores 19,000 meters of ice cores from Antarctica, Greenland and North America, m... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves cutting an ice core from Greenland. The Laboratory stores 19,000 meters of ice cores from Antarctica, Greenland and North Am... © Jim West

28-08-2017 Denver, Colorado, USA National Ice Core Laboratory curator Geoff Hargreaves cutting an ice core from Greenland. The Laboratory stores 19,000 meters of ice cores from Antarctica, Greenland, and North A... © Jim West

01-05-2002 Bridget Leach, the only Papyrus Conservator in the British Museum, and a leading expert in the country, whose post is threatened by a shortfall in funding © Stefano Cagnoni

01-05-2002 Bridget Leach, the only Papyrus Conservator in the British Museum, and a leading expert in the country, whose post is threatened by a shortfall in funding © Stefano Cagnoni

18-06-1960 Roland Penrose curating the first major retrospective exhibition of the work of Pablo Picasso, Tate Gallery London 1960. Co-founder of the ICA Penrose was a friend and biographer to Pablo Picasso © Alan Vines

18-06-1960 Roland Penrose curating the first major retrospective exhibition of the work of Pablo Picasso, Tate Gallery London 1960. Co-founder of the ICA Penrose was a friend and biographer to Pablo Picasso © Alan Vines

18-06-1960 Roland Penrose curating the first major retrospective exhibition of the work of Pablo Picasso, Tate Gallery London 1960. Co-founder of the ICA Penrose was a friend and biographer to Pablo Picasso © Alan Vines

18-06-1960 Roland Penrose curating the first major retrospective exhibition of the work of Pablo Picasso, Tate Gallery London 1960. Co-founder of the ICA Penrose was a friend and biographer to Pablo Picasso © Alan Vines