General Olof Gerhard Thörnell (19 October 1877 – 25 July 1977) was a senior Swedish Army officer. Thörnell's military career spanned several promotions and roles within the Swedish Army. He began as a lieutenant in the Uppland Regiment in 1900, later graduating from the Royal Swedish Army Staff College in 1906 and rising to the rank of captain. After teaching at the Army Staff College, he served as a captain in the Älvsborg Regiment. He then returned to the General Staff, quickly climbing the ranks to become a major and later a lieutenant colonel.
In 1918, he assumed a key position as head of the Central Department of the General Staff. Over the years, he held various commands in different regiments and was eventually appointed Chief of the Defence Staff in 1936. Despite being viewed as a rigid bureaucrat by some, he proved loyal to the government and took a cautious approach to Sweden's neutrality during World War II.
However, Thörnell's pro-German stance and the receipt of the Grand Cross of the Order of the German Eagle in 1940 led to criticism. He served as Supreme Commander of the Swedish Armed Forces until 1944, when he was succeeded by General Helge Jung. Thörnell continued to play a role in the military until 1950 when he served as chief of His Majesty's Military Staff until the king's passing.
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