Ettore Majorana (Italian: [ˈɛttore majoˈraːna]; born 1906 – probably dead after 1959) was an Italian theoretical physicist who worked on neutrino masses. He disappeared suddenly under mysterious circumstances while going by ship from Palermo to Naples. The Majorana equation and Majorana fermions are named after him. In 2006, the Majorana Prize was established in his memory. == Life and work == There are several categories of scientists in the world; those of second or third rank do their best but never get very far. Then there is the first rank, those who make important discoveries, fundamental...