The sadness of the Belgian crypt originates from which writer?, The book “The Sorrow of Belgium” was written by the Flemish writer Hugo Claus. It was originally published in 1983 and is considered one of the most important works of contemporary Flemish literature. The book tells the story of a boy named Louis Seynaeve who grows up in Belgium during World War II and its aftermath. Hugo Claus was a versatile and influential writer, poet and artist who received numerous awards and recognitions for his literary contributions. He died in 2008, but his work lives on and is still read and appreciated.