Answer: Johann Friedrich Blumenbach
Explanation:
In 1779, the man Johann Friedrich Blumenbach invented race. He divided humans into 5 different sectors. The answer to the question is Johann Friedrich Blumenbach.
They go to Cafe Cova where the waitresses are very patriotic in this wartime Italy. While there they appear to reminisce about WWI and think about the value or meaning of their medals in which Nick's medals he feels are not earned nearly as much as the medals of the others. A fellow soldier warns him never to get married.