Original sentence: She became active in her local Fulham Labour Party and in 1930 married fellow Fulham activist  Morgan Phillips, a former miner and later the General Secretary of the Labour Party 1944–1961
Edited sentence: She became active in her local Fulham Labour Party and in 1930 married fellow Fulham activist  Morgan Phillips, a former miner and later the formidable General Secretary of the Labour Party 1944–1961