Before revision: Ludwig Heinrich Edler von Mises (; 29 September 1881 – 10 October 1973) was an Austrian–American historian , logician, sociologist, and economist of the Austrian School.
After revision: Ludwig Heinrich Edler von Mises (; 29 September 1881 – 10 October 1973) was an Austrian–American economist , logician, sociologist, and philosopher of economics of the Austrian School.