Writing or researching about a topic on which they feel strongly may be a difficult position for many historians. This is because as a historian, you're meant to provide unbiased information and opinion on any given topic. Granted, in some cases it may be completely acceptable to write with bias. I hope this answer is satisfactory.
he was a South African cardiac surgeon who performed the world's first highly-publicized heart transplant and the first one in which the patient regained consciousness.
