Sven Harald Linderot was a Swedish

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 Communist

Left Party (Sweden)

The Left Party is a socialist and feminist political party in Sweden, from 1967 to 1990 known as the Left Party – The Communists .On welfare issues, the party opposes privatizations...

 leader. He was born Sven Harald Larsson but changed his surname

Surname

A surname is a name added to a given name and is part of a personal name. In many cases, a surname is a family name. Many dictionaries define "surname" as a synonym of "family name"...

 to Linderot in 1918. Among his party members he was also known as Sven-Lasse.

Linderot became active in the Swedish Social Democratic Party

Swedish Social Democratic Party

The Swedish Social Democratic Workers' Party, , contesting elections as 'the Workers' Party – the Social Democrats' , or sometimes referred to just as 'the Social Democrats' and most commonly as Sossarna ; is the oldest and largest political party in Sweden. The party was founded in 1889...

 in 1914 and he joined the left opposition at the party split in 1917, which soon became the Communist Party of Sweden

Left Party (Sweden)

The Left Party is a socialist and feminist political party in Sweden, from 1967 to 1990 known as the Left Party – The Communists .On welfare issues, the party opposes privatizations...

. Linderot was one of the leaders of the party’s youth organization and in late 1921 he was sent to Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

 to work for the Communist International (Comintern). He was also editor of the party newspaper Norrskensflamman

Flamman

Flamman is a Swedish socialist newspaper. It was founded in 1906 by the workers in the northern mine fields, and the paper was originally named Norrskensflamman , before a change of name in 1998...

from 1925 to 1927.

When the party split in 1929, Linderot emerged as one of the main figures in the pro-Comintern faction together with Hugo Sillén

Hugo Sillén

Hugo Sillén was a Swedish Communist politician. In the 1929 split of the Communist Party of Sweden, Sillén led the pro-Comintern fraction that expelled Karl Kilbom and the majority of the party members with support of the Comintern that feared Kilbom would support Bukharin's right opposition...

, which by orders of Moscow expelled a majority of the party's members, including the leadership. Linderot replaced the expelled Nils Flyg

Nils Flyg

Nils Svante Flyg was a Swedish Communist politician who turned pro-Nazi during World War II.Nils Flyg was born and raised in Södermalm, a working-class area of Stockholm. Early on he joined the Swedish Social Democratic Party's youth organization, the Swedish Social Democratic Youth League...

 as leader of the party, a position he held from 1929 to 1951.

In 1939, Sven Linderot was elected to the upper house

Upper house

An upper house, often called a senate, is one of two chambers of a bicameral legislature, the other chamber being the lower house; a legislature composed of only one house is described as unicameral.- Possible specific characteristics :...

  of the Parliament of Sweden

Parliament of Sweden

The Riksdag is the national legislative assembly of Sweden. The riksdag is a unicameral assembly with 349 members , who are elected on a proportional basis to serve fixed terms of four years...

, where he had a seat until 1949.