🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaفارسی日本語EntityQ78097· pop 10· linked from 27 articlesHeinrich WelkerAlso known as Heinrich Johann WelkerGerman quantum physicist (1912–1981)Wikidata factsImageHeinrich Welker.jpgSources (4)wikidata.orgaps.orggenealogy.math.ndsu.nodak.edukalliope-verbund.infovia Wikidata · CC0Available in 10 languagesFrançaisDeutsch日本語PortuguêsEgyptian ArabicEsperantoHaitian CreoleMalagasyفارسیvia Wikidata sitelinks · CC0ConnectionssemiconductorEntitylaser diodeEntityCategories1912 births1981 deaths20th-century German inventors20th-century German physicistsGerman quantum physicistsPeople from ErlangenPeople from IngolstadtPresidents of the German Physical Society