He graduated from University of Tokyo, School of Science. In 2002, he won Nobel Prize in Physics in 2002 "for pioneering contributions to astrophysics, in particular for the detection of cosmic neutrinos".
MasatoshiKoshiba was born in 1926 in Toyohashi city, Japan.
Koshiba has been playing leading roles in the experiments on cosmic ray physics, notably Kamiokande, a detector in Japan which precisely recorded the time of arrival, energy, and direction of incoming neutrinos, and Super-Kamiokande, as well as the experiments in high energy physics using the electron-positron colliders with the highest energies.
In 2002, Dr. Koshiba was awarded Nobel Prize in Physics for pioneering contributions to astrophysics, in particular for the detection of cosmic neutrinos.
Studying neutrinos from the sun and from supernova explosions, Koshiba built the giant water tank detector Kamiokande which was housed in the bottom of a mine in Japan.
In 1987, Koshiba was able to detect 12 of the neutrinos that had been generated by a supernova explosion.
Masatoshi was professor of physics at the University of Tokyo, Japan, from 1970 until he retired in 1987.
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