Giuseppe Occhialini (b. December 5, 1907 in Fossombrone, Pesaro, Italy; d. December 30, 1993) , Italian physicist, contributed to the discovery of the pion or pi-meson decay in 1947, with César Lattes and Cecil Frank Powell (Nobel Prize for Physics) December 5 is the 339th day (340th in leap years) of the year in the Gregorian calendar. ... 1907 was a common year starting on Tuesday (see link for calendar). ... Pesaro (in Antiquity, Pisaurum) is a town and comune in the Italian region of the Marche, capital of the Pesaro e Urbino province, 43°55N 12°55E; on the Adriatic, at sea-level. ... December 30 is the 364th day of the year (365th in leap years) in the Gregorian Calendar, with 1 day remaining. ... 1993 is a common year starting on Friday of the Gregorian calendar and marked the Beginning of the International Decade to Combat Racism and Racial Discrimination (1993-2003). ... The word physicist should not be confused with physician, which means medical doctor. ... In particle physics, pion (short for the Greek pi meson = P middle) is the collective name for three subatomic particles discovered in 1947: π0, π+ and π−. Pions are the lightest mesons. ... In particle physics, a meson is a strongly interacting boson, that is, it is a hadron with integral spin. ... 1947 was a common year starting on Wednesday (link will take you to calendar). ... César Lattes in 1987 Cesare Mansueto Giulio Lattes (b. ... Cecil Frank Powell (December 5, 1903 - August 9, 1969) was a British physicist, 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. ... Photographs of Nobel Prize Medals. ...

External links

• Giuseppe "Beppo" Occhialini (http://www.asdc.asi.it/bepposax/sax_beppo.html). Agenzia Spaziale Italiana.
• Giuseppe Occhialini (http://www.aps-pub.com/proceedings/1462/207.pdf). American Physical Society (in PDF)