the name and the plan for the permanent exhibition, which shows not only the history of technology, but also their date, 1877, a man was already prepared, who was one of the great inventors of our time: werner von siemens.

This is all lower case. Can you fix that?
The name and the plan for the permanent exhibition, which shows not only the history of technology, but also their date, 1877, a man was already prepared, who was one of the great inventors of our time: Werner von Siemens.