Complex sentence: In 1988 a considerable body of his work was discovered in his daughter's attic, dusted and hung in a one man show in Gillingham, Kent, in 1989 (Walker, 1989).
Split into simpler sentences: In 1988 a considerable body of his work was discovered in his daughter's attic. When dusted, it comprised a one man show in Gillingham, Kent, in 1989 (Walker, 1989).