Short answers, pulled from the story.
Tribune was founded in early 1937 by two Labour MPs, Sir Stafford Cripps and George Strauss, to support the Unity Campaign, an anti-fascist and anti-appeasement coalition. It was initially published as a newspaper before converting to a magazine format in April 2001.
George Orwell served as Tribune's literary editor from 1943, commissioning reviews and writing a celebrated column mostly titled "As I Please". He left the staff in early 1945 to become a war correspondent but remained a regular contributor until March 1947. His Tribune columns include "You and the Atom Bomb", "Books v cigarettes", and "Decline of the English Murder", all of which have appeared in dozens of anthologies.
The American socialist magazine Jacobin purchased Tribune's intellectual property in 2018, with publisher Bhaskar Sunkara confirming the acquisition in August of that year. The aim was to relaunch Tribune ahead of the Labour Party Conference in September 2018, focusing it on longer-form political analysis.
As of December 2020, Tribune had passed 15,000 paying subscribers, up from 2,000 at the time of its September 2018 relaunch under Jacobin's ownership.
Tribune reached its highest-ever circulation of around 40,000 in the years following the Labour landslide election victory of 1945. By 1960 circulation had fallen to around 20,000, and by the early 1980s it was around 6,000.
Aneurin Bevan, the minister of health who established the National Health Service, served as editor from 1941 to 1945. Michael Foot, who later led the Labour Party, was editor in two stints: 1948 to 1952 and 1955 to 1960. Chris Mullin, a Labour MP, edited the magazine from 1982 to 1984.