John A. Helliwell

John A. Helliwell is a Canadian physicist renowned for his research in low-temperature physics, particularly in understanding how materials behave at temperatures just above absolute zero. His work has contributed to advances in superconductivity and quantum materials, which have potential applications in energy transmission, medical imaging, and quantum computing. Helliwell is recognized for his experimental expertise and has held academic positions, contributing to the scientific community through research, teaching, and leadership. His studies help us understand fundamental physical properties of materials, paving the way for technological innovations.