sentences:  Jonathan Glancey at "The Guardian" and Andrew Hill at the "Financial Times" have both written about Ruskin, as has the broadcaster Melvyn Bragg.Ruskin wrote over 250 works, initially art criticism and history, but expanding to cover topics ranging over science, geology, ornithology, literary criticism, the environmental effects of pollution, mythology, travel, political economy and social reform.After his death Ruskin's works were collected in the 39-volume "Library Edition", completed in 1912 by his friends Edward Tyas Cook and Alexander Wedderburn.