IAIN BAXTER&, Rebecca’s Bagged Place, 2013Photography by Marcus J. LeithWho? When Alex Sainsbury purchased 56 and 58 Artillery Lane in Spitalfields in 2004, with a view to creating a non-profit contemporary exhibition space, he found himself with two pre-existing installations in the form of sisters Rebecca and Hannah Levy. The two ladies had occupied a three bedroom flat on the building’s fourth floor since their family moved there in 1918. Fond of the sisters and loath to disturb the...