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Dennis Gabor was awarded the Nobel prize in 1971 for the invention of optical holography in the early 1950s. The statement here that Wolfke worked on optical holography in 1920 needs either to be deleted, or backed up by reliable reference sources Epzcaw ( talk) 10:49, 28 January 2012 (UTC) reply

• When Wolfke has 17 years old he invented television.
• holography Wolfke in aprox. 1922 year Gabor in 1948 year. — Preceding unsigned comment added by 212.96.238.116 ( talk) 02:56, 9 February 2013 (UTC) reply