Image: https://cdn.whensthebirthday.com/gallery/2017/1/walter-rudolf-hess/hess-walter-rudolf-walter-rudolf-hess-enciclop.jpg
Walter Rudolf Hess
Image: https://cdn.whensthebirthday.com/gallery/2017/1/walter-rudolf-hess/hess-walter-rudolf-walter-rudolf-hess-enciclop.jpg