Memory-Engram Trailblazer Susumu Tonegawa Passes Away at 86

Susumu Tonegawa, a pioneering neuroscientist whose decades of work on memory engrams reshaped neuroscience, died on July 11, 2026 at age 86. Across more than five decades, his relentless curiosity and groundbreaking research inspired generations of scientists to pursue the hardest questions about memory and brain circuits.