Fitz James O’Brien 
The Diamond Lens 
Obsession and Ethical Dilemmas in 19th Century Science Fiction

Fitz James O’Brien’s ‘The Diamond Lens’ is a captivating tale that delves into the themes of obsession, scientific ambition, and moral dilemmas. Written in the mid-19th century, O’Brien’s literary style combines elements of Gothic fiction and science fiction, making it a unique and thought-provoking read. The story follows the protagonist, a young scientist who becomes fixated on creating a microscopic lens that ultimately leads him down a dark path of ethical quandaries and personal sacrifice. O’Brien’s intricate descriptions and vivid imagery draw readers into a world where scientific discovery blurs the lines between wonder and horror. ‘The Diamond Lens’ stands out as a pioneering work in speculative fiction, exploring the dangers of unchecked scientific curiosity and the human cost of technological advancement. It serves as a cautionary tale that continues to resonate with modern audiences, raising important questions about the pursuit of knowledge at any cost.