Charles H. Townes

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Charles H. Townes

Charles Hard Townes (July 28, 1915 – January 27, 2015) was an American physicist who helped invent the maser, the first device to amplify microwaves with great precision. This work led to the development of the laser. He shared the 1964 Nobel Prize in Physics for his role in creating masers and lasers.

Early life and education
Townes was born in Greenville, South Carolina. He earned a B.S. in Physics and a B.A. in Modern Languages from Furman University in 1935, an M.A. in physics from Duke University in 1937, and a Ph.D. from the California Institute of Technology in 1939.

Career
During World War II, Townes worked at Bell Labs on radar. He taught at Columbia University, where he helped build the first ammonia maser in 1953 and led the Columbia Radiation Laboratory. He later worked at the Institute for Defense Analyses, was a professor at MIT, and then joined the University of California, Berkeley in 1967, where he spent most of his career. He also advised NASA on the Apollo program.

Scientific impact
Townes helped expand the use of masers and lasers in astronomy. His work contributed to discovering complex molecules in space and studying the center of the Milky Way, where a supermassive black hole is believed to be located at Sagittarius A*. He helped develop the Infrared Spatial Interferometer, a technique that produces very sharp images of stars.

Personal life and beliefs
He married Frances H. Brown in 1941, and they had four daughters. Townes was religious and believed that science and religion could complement each other.

Death
Townes died in Oakland, California, on January 27, 2015, at the age of 99. He is remembered as a pioneering physicist whose work advanced both fundamental science and practical technology.