Library
Resources
Quiz Game
Greece
Rome
Britain I
Britain II
America I
Europe I
Europe II
Spain
Library
Country
Genre
Author
Easy
Series
Favorites
Secret
Resources
Greece
Rome
Britain I
Britain II
America I
Europe I
Europe II
Spain
Quiz Game
Greece
Rome
Britain I
Britain II
Spain
Werner von Siemens
(Ernst Werner von Siemens)
1816–1892
Invented electronic telegraph and electromechanical transducer. Founded a German industrial complex.