Complex sentence: It was exhibited again in 1906 during a major Gauguin retrospective; that exhibition lead to a reappraisal of his wood carvings, they subsequently became major influences on artists such as Picasso, Brancusi, Matisse and the Fauves.
Split into simpler sentences: It was exhibited again in 1906 during a major Gauguin retrospective. The exhibition lead to the rediscovery of his wood carvings which became major influences on artists such as Picasso, Brancusi, Matisse and the Fauves.