File:Statue of The Thinker, 1880 CE..JPG - Wikipedia
File:Detroit Institute of Arts January 2015 04.jpg - Wikipedia
File:Auguste rodin, il pensatore, 1881-1882, 04.JPG - Wikipedia
Thinker from Yehud - Wikipedia
File:Cleveland Museum of Art - damaged Thinker.jpg - Wikipedia
File:The Thinker at the BAM.JPG - Wikipedia
Thinker (DC Comics) - Wikipedia
They think, therefore they are
File:The Thinker at the Museo Soumaya.jpg - Wikipedia
File:The Thinker by Bruce Shanks.jpg - Wikipedia
File:National museum of western art03 1024.jpg - Wikipedia