But Sullivan, who saw himself as an artist in touch with nature, had a third idea of function.

ECONOMIST: Poet in stone and steel

This too is a wild, demanding environment, a place where you feel instantly in touch with raw, pure nature.

BBC: A culinary pilgrimage along the Way of St James

Architecture's highest calling for Sullivan was to put man back in touch with his democratic instincts and the cosmic forces of nature.

ECONOMIST: Poet in stone and steel