John William Campbell (herbalist)
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John William Campbell was a Nigerian herbalist who worked at Connaught Hospital during the early 1900s. John William Campbell was the son of Oluwole Campbell and Sarah Campbell, he was also the brother of William John Campbell, a mayor of Freetown, Sierra Leone. John Campbell was one of the first herbalists working at Connaught Hospital when it opened in 1912. John William Campbell married Esther Thomas, the daughter of Shekou Thomas a prominent man from Victoria, Guinea or Karafarande, Guinea, and the two had six children together. John William Campbell was buried at Racecourse Cemetery.
