A nineteenth-century African doctor collected his own records to challenge colonial medical data.

In the 1800s, British authorities tracked weather and death rates in West Africa, but their numbers had massive gaps. Dr. James Horton, an African physician trained in Britain, saw that these missing records led to false ideas about how tropical diseases affected local people. To fight this, Horton gathered his own evidence across different regions. He used these new numbers as counter datacounter dataInformation deliberately collected by marginalized groups to challenge or correct official, biased records. to bring attention to civilian health. His work revealed how imperial data collection distorted the reality of African public health.

Why it matters

Colonial governments ignored African health by simply not recording it, leaving massive gaps that fueled false claims about disease. Dr. Horton showed that missing records were not neutral accidents. By gathering his own numbers, he forced attention onto Black civilians across West Africa who were invisible in official imperial tallies.

Questions answered