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Japanese physicist Isamu Akasaki was born in Chiran, Kagoshima, Japan, in 1929. He is best known for his pioneering work in the development of blue light-emitting diodes (LEDs), for which he was awarded the Nobel Prize in Physics in 2014. Akasaki's research has had a profound impact on the field of optoelectronics, leading to the development of more efficient and environmentally friendly lighting technologies.