Angus Maddison (1926-2010) was a British economist and Emeritus Professor at the faculty of Economics at the University of Groningen. In 1978, Maddison was appointed historical professor at the University of Groningen. He was a pioneer in the field of the construction of national accounts, where a countries accounts are calculated back in periods several of several decades all the way to the year 1.To this end he combined modern research techniques with his own extensive knowledgde of economic history and in particular countries' performances in the field of GDP per capita.His work resulted in a deep new understanding of the reasons why some countries have become rich whereas others have remained poor. In this vital field , Maddison is regarded as the world's most prominent scholar.