From feudal fortresses to contemporary border barriers, walls have always offered more symbolic value than real protection.

Otto Weininger's only book, Sex & Character, is a misogynist, anti-Semitic screed masquerading as philosophy. Yet it was enormously influential in fin-de-siècle Vienna.

Pop culture has made Anne Frank into an icon, but one scholar notes that she was a terrified child trapped and killed by war, and should be seen as such.

To understand why stolen art continues to be a contentious issue well into the 21st century, it makes sense to take a look into how and why Nazis “collected” (read: stole) Jewish-owned art.