Abb. 1: https://commons.wikimedia.org/wiki/File:Thomas_Chalmers.jpg; https://upload.wikimedia.org/wikipedia/commons/6/66/Thomas_Chalmers.jpg; George Eastman Museum, Public domain, via Wikimedia Commons

Abb. 2: https://commons.wikimedia.org/wiki/File:Rubens-H%C3%B6llensturz.jpg https://upload.wikimedia.org/wikipedia/commons/b/ba/Rubens-H%C3%B6llensturz.jpg Peter Paul Rubens, Public domain, via Wikimedia Commons

Abb. 3: https://commons.wikimedia.org/wiki/File:Charles_Darwin_aged_51.jpg https://upload.wikimedia.org/wikipedia/commons/4/42/Charles_Darwin_aged_51.jpg Messrs. Maull and Fox, Public domain, via Wikimedia Commons

Abb. 4: https://commons.wikimedia.org/wiki/File:Mars_rotation_simulation_december_2007.gif; https://upload.wikimedia.org/wikipedia/commons/8/8f/Mars_rotation_simulation_december_2007.gif; Tomruen at English Wikipedia, Public domain, via Wikimedia Commons

Abb. 5: https://commons.wikimedia.org/wiki/File:Senckenberganlage_(DerHexer)_2012-05-11_04.jpg; https://upload.wikimedia.org/wikipedia/commons/3/33/Senckenberganlage_%28DerHexer%29_2012-05-11_04.jpg; DerHexer, Wikimedia Commons, CC-by-sa 4.0, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons

Abb. 6: https://commons.wikimedia.org/wiki/File:Latimeria_Chalumnae_-_Coelacanth_-_NHMW.jpg; https://upload.wikimedia.org/wikipedia/commons/f/fa/Latimeria_Chalumnae_-_Coelacanth_-_NHMW.jpg; Alberto Fernandez Fernandez, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons

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