Culture is a powerful tool for inspiring human beings and bringing them together in a concerted `family' action, says Prof [Marimba Ani], adding: "Our cultural roots are the most ancient in the world." This is very true and it is accepted that Egyptian science and technology laid the foundations for the development of Europe. It is also true that the finance to fund this development came from the proceeds of the barbaric slave trade. Black history is rich and diverse and knowledge of African achievements in education, politics, art, agriculture, medicine, science, religion, metallurgy, engineering, music and sports can help to boost our self-confidence no end. Records refer to the small population of `Negras' in Elizabethan London and even stretch back to the Roman Empire's occupation of Britain, when Africans were marooned at Hadrian's Wall in the third century AD. In the mid-'50s the Transport and General Workers' Union, now headed by Jamaican-born Bill Morris, insisted that no more than 52 of Wolverhampton's 900 bus workers should be black. This kind of colour bar was prevalent in many city transport companies from West Bromwich to Bristol.