Update legal_notice.md

Author: axel-lauer

legal_notice.md

@@ -21,7 +21,7 @@ email: contact-dlr [at] dlr.de \
 
 DLR's Executive Board is empowered to act as DLR's representative.
 It consists of Prof. Dr.-Ing. Anke Kaysser-Pyzalla (Chair of the DLR
-Executive Board), Klaus Hamacher (Vice Chairman of the Executive Board),
+Executive Board), Stéphane Beemelmans (Vice Chairman of the Executive Board),
 Prof. Dr.-Ing. Karsten Lemmer and Dr.-Ing. Walther Pelzer.
 
 **Seat of the Executive Board**
@@ -71,4 +71,4 @@ their content afterwards. DLR does not constantly check the third-party content
 it refers to for changes made by the third-party content providers which could
 engender DLR´s civil or criminal liability. If you believe that the linked
 external sites violate applicable laws or otherwise have inappropriate content,
-please let us know.
+please let us know.