TIME Magazine content is available exclusively for TIME subscribers.

Current subscribers for full access. Not a TIME subscriber? .

Atomic Physicist: ENRICO FERMI

If the 19th century was the century of chemistry, the 20th was the century of physics. The burgeoning science supported such transforming applications as medical imaging, nuclear reactors, atom and hydrogen bombs, radio and television, transistors, computers and lasers. Physical knowledge increased so rapidly after 1900 that theory and experiment soon divided into separate specialties. Enrico Fermi, a supremely self-assured Italian American born in Rome in 1901, was the last great physicist to bridge the gap. His theory of beta decay introduced the last of the four basic forces known in nature (gravity, electromagnetism and, operating within the nucleus of the...

Quotes of the Day »

President BARACK OBAMA, at NATO talks involving over 50 world leaders, describing the withdrawal of 130,000 combat troops from Afghanistan, planned for the end of 2014
For use in rail of Articles page or Section Fronts pages. Duplicate and change name as necesssary to distinguish.