Date | Text | |
---|---|---|
05 Dec 1903
Cecil Frank Powell |
birth Cecil Frank Powell Born 5 Dec 1903; died 9 Aug 1969 at age 65. English physicist who was awarded the Nobel Prize for Physics in 1950 for his development of the photographic method of studying nuclear processes and for the resulting discovery of the pion (pi-meson), a heavy subatomic particle. The pion proved to be the hypothetical particle proposed in 1935 by Yukawa Hideki of Japan in his theory. |