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Enrico Fermi (1901-1954) was perhaps the greatest physicist of the 20th century.  He was a professor in Italy until the late 1930s, when he fled to America in order to escape Mussolini. Fermi was unique in being extraordinary in both experimental and theoretical physics.

Enrico Fermi (1901-1954) was perhaps the greatest physicist of the 20th century.  He was a professor in Italy until the late 1930s, when he fled to America in order to escape Mussolini. Fermi was unique in being extraordinary in both experimental and theoretical physics.  He was a devout Catholic.

In 1926, Fermi discovered the statistical laws known as Fermi statistics, which govern particles (fermions) subject to Pauli's exclusion principle.  These particles are different from bosons, which obey Bose-Einstein statistics.

In 1926, Fermi discovered the statistical laws known as Fermi statistics, which govern particles (fermions) subject to Pauli's exclusion principle.  These particles are different from bosons, which obey Bose-Einstein statistics.