Ernst Ruben Lagus, better known as Ruben Lagus, was a Finnish major general, a member of the Jäger Movement and the recipient of the first Mannerheim Cross. He played a central role in developing the Finnish armoured forces and led them with distinction during the Continuation War, earning the nickname "Finland's Rommel". He participated in the Eastern Front of World War I as a volunteer of the 27th Royal Prussian Jäger Battalion, in the Finnish Civil War as battalion commander and as a supply officer in the Winter War. During the Continuation War, he commanded an armoured brigade, later division, which had a significant role in the influential Battle of Tali-Ihantala.
- Occupation
- military officer
- Position held
- commanding officer, commanding officer, commanding officer
- Citizenship
- Finland, Grand Duchy of Finland
