Short answers, pulled from the story.
Angus Maddison was born on the 6th of December 1926 in Newcastle-on-Tyne, England. He attended Darlington Grammar School before entering Selwyn College at Cambridge University as an undergraduate student.
Angus Maddison joined the Organisation for European Economic Cooperation (OEEC) in 1953 and later served within the Organisation for Economic Co-operation and Development (OECD). He also held a position as Historical Professor in the Faculty of Economics at the University of Groningen from 1978 until his retirement in 1996.
Angus Maddison lived in Chevincourt near Thourotte in France until his death on the 24th of April 2010. He passed away at age 83 at the American Hospital of Paris in Neuilly-sur-Seine.
The publication Chinese Economic Performance in the Long Run appeared in 2007 covering the period from 960 to 2030 AD. This study provided authoritative data on economic growth in China over the past twenty centuries.