Oskar Barnack
Oskar Barnack (1879–1936) was a Germany inventor, photographer and engineer.
Also recorded as Oscar Barnack; Wilhelm Oskar Barnack.
Overview
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In detail
German optical engineer (1879–1936)
Sources
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reference work · Reputable secondary · Wikipedia
“Oskar Barnack”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q61109: Oskar Barnack
Consult the source