The Nautilus, a strange building shaped like the chambered shell of the same name, was built in South London in the early 1930s. Designed on Modernist and Utopian principles, it was a haven for a floating community of cosmopolitan refugees, intellectuals and artists.Now, at the end of the century, only two of the original inhabitants still occupy their chambers - Celeste Zylberstein, joint architect with her late husband of the Nautilus, and Francis Campion, an elderly poet. Gus Crabb, a dealer ...