ChrisDreyer
Beigetreten 13. Januar 2020
Christian Dreyer
born 1962, Austria
MSc. ETH Zürich/Switzerland (Mechanical Engineering
MBA INSEAD Fontainebleau/France
Personal Interests, fed by Wikipedia
- Geology, Climate History, Paleogeology
- (Human) History
- Alpinism
- Astronomy
contact: cd@dreyer.at