[{WikipediaArticle oldid='182638890'}]

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!!!License Information of Images on page
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| The Wikimedia Commons logo, SVG version.| Original created by Reidab ( PNG version ) SVG version was created by Grunt and cleaned up by 3247 . Re-creation with SVG geometry features by Pumbaa , using a proper partial circle and SVG geometry features. (Former versions used to be slightly warped.)| Reidab , Grunt , 3247 , Pumbaa| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0' align='center' link='https://www.austria-forum.org/cc/by-sa-30.html' target='_blank'}]| Datei:Commons-logo.svg
| Der Chemiker Regierungsrat Prof. Dipl.-Ing. Dr.-Ing. Richard Henke (1900/1963)| Fgach80| Richard Gach| [{Image src='https://www.austria-forum.org/cc/images/slim/copyr-freeuse.png' alt='Copyrighted free use' align='center' link='https://www.austria-forum.org/cc/cr-free.html' target='_blank'}]| Datei:Der Chemiker Richard Henke.JPG
| Der Chemiker Richard Henke (links; 1900/1963) und sein Schwiegersohn, der Architekt Richard Gach (1930/1991) beim Bergwandern in Salzburg| Aufnahme aus dem Nachlass des Architekten Richard Gach (1930-1991)| Richard Gach (Foto mittels Selbstauslöser)| [{Image src='https://www.austria-forum.org/cc/images/slim/copyr-freeuse.png' alt='Copyrighted free use' align='center' link='https://www.austria-forum.org/cc/cr-free.html' target='_blank'}]| Datei:Richard Henke und Richard Gach.JPG
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