Image: https://cdn.whensthebirthday.com/gallery/2017/1/johann-voldemar-jannsen/monumentul-lui-johann-voldemar-jannsen-ridicat-n.jpg
Johann Voldemar Jannsen
Image: https://cdn.whensthebirthday.com/gallery/2017/1/johann-voldemar-jannsen/monumentul-lui-johann-voldemar-jannsen-ridicat-n.jpg