The celebrated author famous for her exploration of societal norms in "The Bell Jar" is Sylvia Plath. Published in 1963, the novel is a semi-autobiographical account of Plath’s struggles with mental health and societal expectations as a young woman. Through the protagonist, Esther Greenwood, Plath delves into themes of identity, gender roles, and the pressures of conformity. The work's candid portrayal of depression resonated with many readers and solidified Plath’s legacy as a profound voice in literature. Her poetry and prose continue to inspire discussions about mental health and feminism.