The Work of J.D. Salinger Many critics consider J.D. Salinger a very controversial writer, for the subject matters that he writes.. J.D. Salinger's works were generally written during two time periods. The first time period was during World War II, and the second time period was during the 1960's. Critics feel that the works during the 1960 time period were very inappropriate, because of the problems for which he wrote. The main characters were generally misfits of society. In most of his works, he has the protagonist of the story go on a quest for happiness. Salinger does not conform to the material happiness; the characte