Christabel Pankhurst (1880-1958) was a suffragette and a co-founder of the Women's Social and Political Union.  
Kingsley Martin (1897-1969) was editor of the New Statesman from 1930 to 1960.
Christopher Hitchens (1949-2011) was an author and journalist. He joined the New Statesman in 1973.
George Bernard Shaw (1856-1950) was an Irish playwright and the co-founder of the London School of Economics.
Doris Lessing is a novelist, poet and playwright. She won the Nobel Prize for Literature in 2007.
Victor Sawdon Pritchett (1900-1997) was a critic, short story writer and novelist. He was literary editor at the New Statesman from 1926 to 1965.
John Maynard Keynes (1883-1946) was a highly influential British economist.
Beatrice Webb (1858-1943) was a writer, economist, socialist and social reformer. Together with her husband Sidney, she founded the New Statesman in 1913.
Virginia Woolf (1882-1941) was a novelist and writer.