Caroline Isgar, The Secret Staircase - Wolfson College, 2016 Caroline Isgar, The Secret Staircase - Wolfson College news Home News The Secret Staircase - Wolfson College Posted 2016/08/06 10:32 The Secret Staircase, an exhibition/installation by Caroline Isgar and Michèle Roberts, is showing at Wolfson College, Linton Road, Oxford OX2 6UD, from 2 - 21 October 2016. See .