Born on 12 March 1927, Aaron attended Combermere School after which he travelled to Trinidad to attend the Seventh Day Adventist College. He graduated from there in 1945, gaining a teaching posting at an elementary school in San Juan and Sangre Grande two years later. Two years at Port of Spain Secondary School prepared him for the post of Principal of Southern Academy. Two years later, he left to attend Long Island University in Brooklyn N.Y, where he majored in biology while working at Brooklyn Jewish Hospital as a technician in the blood laboratory.
He came to England in 1965 and at first taught biology and chemistry at Pollards Hill Secondary School before entering the field of Race and Community Relations. He served as senior community relations officer in Wolverhampton before moving on to the Community Relations Commission as Principal Development Officer. He held several posts in the Commission for Racial Equality, culminating in the post of Chief Executive.
After retiring from the Commission, he functioned as a freelance journalist and broadcaster. He is the author of The State of Black Britain. Volume One, first published in 1983, carries an analysis of the forces that governed the post-war immigration of black people into Britain. It covers the search for jobs and housing, the challenges faced in education and social services and how race became a volatile political issue. Volume Two picks up where Volume One concludes and begins with an analysis of the Thatcher years and their impact on the Black community. Together the two volumes represent a comprehensive, honest, insider’s view of the struggle for equality in Britain.