>> Mises, sometimes called the last knight of liberalism

>By whom?

Jörg Guido Hülsmann wrote a book titled Mises: The Last Knight of Liberalism (2007):

https://mises.org/daily/6022/

PDF and epub here:

https://mises.org/document/3295/Mises-The-Last-Knight-of-Lib...

Originally by some of his European colleagues.