At an Upper East Side gallery, sculptures in low relief, often meant for the home, disturbed my whole idea of what happened in what decade to the development of fine art. (haberarts.com)
He was particularly attracted to the reductive forms of Cézanne, the illusionistic low relief of the cubists, and the jewel tones of the fauves. (artsy.net)
Influenced initially by the still life painting of his father William Nicholson (1872 - 1949), and by Cubism, he achieved his creative peak early on in life, with his famous series of «White Reliefs» - low relief sculpture in painted wood, made between 1934 and 1937, after which he and his second wife Barbara Hepworth (1903 - 1975) established the St Ives School in Cornwall. (visual-arts-cork.com)