C. F. Powell
![](/Images/godic/202501/03/Cecil_Powell4118.jpg")
![Memorial bench and plaque dedicated to Powell at the site of his death in the foothills of the Alps, Italy.](/Images/godic/202501/03/C.F.Powell_-_Bench_&_Plaque4118.jpg")
Cecil Frank Powell, FRS (5 December 1903 – 9 August 1969) was an English physicist, and Nobel Prize in Physics laureate for his development of the photographic method of studying nuclear processes and for the resulting discovery of the pion (pi-meson), a subatomic particle.