William Macewen was a Scottish surgeon born in 1848, known for his pioneering work in neurosurgery. He made significant contributions to the field, particularly in the treatment of brain injuries and tumors. Macewen's innovative techniques laid the groundwork for modern surgical practices. In addition to his surgical advancements, Macewen was also a respected educator and author. He published numerous papers and books, sharing his knowledge and experiences with the medical community. His legacy continues to influence neurosurgery and inspire future generations of surgeons.