Image: https://cdn.whensthebirthday.com/gallery/2017/1/wolfgang-kohler/wolfgang-kohler-citas-de-wolfgang-kohler.jpg
Wolfgang Kohler
professions.scientist de Estonia
Image: https://cdn.whensthebirthday.com/gallery/2017/1/wolfgang-kohler/wolfgang-kohler-citas-de-wolfgang-kohler.jpg
professions.scientist de Estonia