The book "Jacques Lacan" offers a comprehensive and precise introduction to the life and work of the French psychoanalyst Jacques Lacan, who is considered one of the most influential thinkers of the 20th century. Written by Jonathan Scott Lee, a philosopher deeply engaged in continental philosophy and psychoanalytic theory, the work traces the development of Lacan's theoretical project. From his early psychiatric writings to the groundbreaking "Écrits" and the renowned seminars Lacan held over more than two decades, a clear philosophical analysis is provided. Lee makes complex Lacanian ideas accessible to readers in the humanities and social sciences, offering new insights into central concepts such as the mirror stage and the role of the Other. The book positions Lacan within the context of 20th-century intellectual currents and draws connections to structuralism and post-structuralism. It is a valuable introduction for students, scholars, and interested readers.