Claim: Friedrich Mallinckrodt was born 1894 in Essen, he served as Leutnant for Germany whose capital is Berlin.
Evidence: 15 August 1894
Essen, German Empire Leutnant Germany Berlin (/bɜːrˈlɪn/; German: [bɛɐ̯li:n (listen)) is the capital and largest city of Germany by both area and population.