Long essay mood changes

Every day, at least once, I change my mind about my thesis topic. So far there has been 'Kandinsky and music', 'Influence of Russian folk lore', 'Hepworth, Moore, Nicholson: 'A nest of gentle artists'?', 'Hepworth and Moore - true to materials', and so on. Finally, keep coming back to Rennie Mackintosh - Modernist, Artist or Craftsman? In the light of which, yesterday's long overdue visit to 78 Derngate, Northampton (his only English work) was illuminating.