Abioseh Nicol, Sierra Leonean-English physician, academic, and diplomat (died 1994)

Davidson Sylvester Hector Willoughby Nicol, also known by his pen name Abioseh Nicol, was a Sierra Leone Creole physician, diplomat, and writer. Nicol contributed significantly to diabetes research from his discoveries in his analysis of the breakdown of insulin in the human body. He was able to secure degrees in the arts, science and commercial disciplines and he contributed to science, history, and literature. Nicol was the first black African to graduate with first-class honours from the University of Cambridge and he was also the first black African elected as a fellow of a college of Cambridge University.