What is Isamu Akasaki?
{{nobelprize|Physics}} {{Infobox scientist | name = Isamu Akasaki | native_name = 赤崎 勇 | image = Isamu Akasaki 201111.jpg | image_size = 250px | caption = Isamu Akasaki | birth_date = {{Birth date|1929|1|30}} | birth_place = [[Chiran, Kagoshima|Chiran]], [[Kawanabe District, Kagoshima|Kawanabe District]], [[Kagoshima Prefecture|Kagoshima]], [[Empire of Japan]] | death_date = {{death date and age|2021|4|1|1929|1|30}} | death_place = [[Nagoya]], [[Aichi Prefecture|Aichi]], [[Japan]] | residence = | citizenship = | nationality = [[Japanese people|Japanese]] | fields = [[Physics]], [[Engineering]] | workplaces = [[Meijo University]]<br>[[Nagoya University]] | alma_mater = [[Kyoto University]]<br>[[Nagoya University]] | doctoral_advisor = | academic_advisors = | doctoral_students = | notable_students = | known_for = | influences = | influenced = | awards = [[Asahi Prize]] {{small|(2001)}}<br>[[Takeda Award]] {{small|(2002)}}<br>[[Kyoto Prize]] {{small|(2009)}}<br>[[IEEE Edison Medal]] {{small|(2011)}}<br>[[Nobel Prize in Physics]] {{small|(2014)}}<br>[[Charles Stark Draper Prize]] {{small|(2015)}} | signature = <!--(filename only)--> | signature_alt = | footnotes = }} {{Nihongo|'''Isamu Akasaki'''|赤崎 勇|Akasaki Isamu|extra=January 30, 1929 &ndash; April 1, 2021}} was a Japanese engineer and physicist. He was best known for inventing the bright [[gallium nitride]] ([[GaN]]) p-n junction blue [[LED]] in 1989.<ref>{{cite web|url=http://jjap.jsap.jp/link?JJAP/45/9001/|title=Japanese Journal of Applied Physics|work=Jsap.jp|access-date=2015-11-10|archive-url=https://web.archive.org/web/20120722041435/http://jjap.jsap.jp/link?JJAP%2F45%2F9001%2F|archive-date=July 22, 2012|url-status=dead}}</ref><ref>{{cite web|url=http://jjap.jsap.jp/link?JJAP/47/3781/|title=Japanese Journal of Applied Physics|work=jsap.jp|access-date=2015-11-10|archive-url=h