Background
Jakob Lechleiter was born as Jakob Lüthi in Chur. His father was a railway worker He moved to Zurich in 1921 together with his mother, following his father"s death.
In the following year his mother married the German communist parliamentarian Georg Lechleiter, and Jakob and his mother moved to Germany.
Career
He worked as a delivery apprentice. He spent some time in Basel too. Jakob Lüthi joined the Young Communist League of Switzerland in 1929.
In the communist movement, Jakob"s nom de guerre was Tomi.
In 1933 he was expelled from Germany. Early in 1934 Lechleiter clandestinely re-entered Germany for two months.
Lechleiter became the secretary of the Young Communist League of Switzerland in 1934, a position he held until 1937. Lechleiter served as the Zurich canton secretary of the Swiss Party of Labour between 1945 and 1956, and as national secretary of the party between 1966 and 1978 (as part of a triumvirate along with Jean Vincent and André Muret).
Lechleiter represented the party at different international events, such as the 1969 International Meeting of Communist and Workers Parties in Moscow and the 1976 Conference of Communist and Workers Parties of Europe in East Berlin.
Politics
He also travelled to Moscow, where he obtained political training. He did however come into conflict with the party leader Jules Humbert-Droz.