I think for being not unsympathetic that their appearance may also appear, so differently it, must; similarly as with animals, which meet us in very different forms, which look somehow harmonious however all. On exactly such forms I would stand.

He is author of several books and also does work as presenter of a popular science magazine shows such as MaxQ on Bavarian TV. In 1993 he flew on board the Space Shuttle Columbia on mission STS-55 (Spacelab D-2) as a Payload Specialist. He received honorary doctorate from the Kyiv Polytechnic Institute Uraine (2012)
Walter is married has two children and is living near Munich Germany.