Lionel Barber appointed chair of Tate, March 2018. Courtesy: Tate
{"Image Make": "Canon", "Image Model": "Canon EOS 5D Mark III", "Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Capture One 8 Macintosh", "Image DateTime": "2015:07:21 09:06:13", "Image Artist": "Alex Griffiths", "Image Copyright": "www.alexgriffiths.co.uk", "Image ExifOffset": "274", "EXIF ExposureTime": "1/160", "EXIF FNumber": "4", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "125", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2015:07:17 11:48:06", "EXIF DateTimeDigitized": "2015:07:17 11:48:06", "EXIF ShutterSpeedValue": "59/8", "EXIF ApertureValue": "4", "EXIF ExposureBiasValue": "0", "EXIF SubjectDistance": "0", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash fired, compulsory flash mode", "EXIF FocalLength": "70", "EXIF ExifImageWidth": "1193", "EXIF ExifImageLength": "1553", "EXIF FocalPlaneResolutionUnit": "2", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Manual"}