Playwright and actor Kwame Kwei-Armah says seeing the peaceful march in television reports as a 15-year-old was a "formative moment" that resonated with him and provided an indelible image.
Various anti-spam programs use several techniques to spot and kill junk mail, but IBM believes the Chung-Kwei algorithm to be the only anti-spam tool that uses pattern discovery in this way.
As editor of a British publishing house Heinemann's African Writer Series, he edited, published and promoted early entrants into Africa's pantheon of writers: Kenya's Ngugi wa Thiong'o, Ghana's Ayi Kwei Armah, Cameroon's Mongo Beti.