Captain Herbert Kuppish was Captain Kuppish has nothing to do with U-96. Herbert Kuppisch (10 December 1909 - 27 August 1943) was a german naval Officer during World War II and commander of U-58, U-94, U-516 and U-847.
Wikipedia says ...
The right character seems to be Heinrich Lehmann-Willenbrock
I have done a little correction to the name of Castel Benito (not Castel Beninto- as written in origin) because the place was dedicated to Benito (Mussolini). Thet's all.
Thanks. from Italy