Geïnstalleerd op: 
The 17th of September, 1975
Professor O.H. Gerlach has been a professor and dean of the faculty of Aerospace Engineering. Furthermore Professor Gerlach has been head of the board of the NLR (the Netherlands Aerospace Centre). Regardless of his active and time-consuming role in the Dutch aerospace sector, professor Gerlach has always been willing to help the VSV ‘Leonardo da Vinci’ when help was needed. The research field of professor Gerlach has been non-stationary flight test techniques, in close cooperation with the NLR. Prof.dr.ir. Gerlach has been a highly respected member of honour of the VSV ‘Leonardo da Vinci’ since his instalment in 1975.