David Hansemann engaged himself for the building of railways in the Rhine Province.
He ensured that each half of the annual profit should be reserved for social and cultural purposes, as the founder of the company, David Hansemann ( 1790-1864 ), had decreed in 1824.
Some of the members of the Cologne committee under David Hansemann ( 1790 1864 ) a merchant and banker from Aachen and the Aachen Committee favoured a railway line through Belgium to the seaport of Antwerp via Liege.
A route through the Bergisches Land had been dropped was due to the high cost of the engineering structures that would have been required on the advice of the Aachen merchant and banker David Hansemann ( 1790-1864 ), who was then briefly Prussian Minister of Finance.
Robert von Gorschen and the subsequent directors of the insurance company, Richard Trostorff and Adolf Br黦gemann, were significantly responsible for ensuring that the " Aachen Einhard-Gymnasium " ( on 1 May 1886 ) and the Aachen David Hansemann Monument, together with the area surrounding the monument ( on 29 August 1888 ) and the " Aachen Bismarck Tower " ( on 22 August ) could all be inaugurated.