Ernest Lawrence

Ernest Orlando Lawrence (August 8, 1901 – August 27, 1958) was an American physicist. he was born in South Dakota. He helped invent the nuclear bomb during World War II. Lawrence won the Nobel prize for physics in 1939. His work was important in the science of nuclear physics. He worked out a way of measuring the mass of an electron, part of an atom.

Ernest Orlando Lawrence
Born	(1901-08-08)August 8, 1901 Canton, South Dakota
Died	August 27, 1958(1958-08-27) (aged 57) Palo Alto, California
Occupation	Physicist
Known for	Nobel Prize in Physics in 1939