Who is considered Africa greatest explorer in what other roles did he serve?

The title of Africa's greatest explorer is often attributed to Dr. David Livingstone, a Scottish missionary and physician. He is renowned for his extensive travels across Africa, which aimed to promote Christianity and commerce while also mapping uncharted territories. Beyond exploration, Livingstone was an advocate against the slave trade and worked to improve the lives of African communities through his efforts in medicine and education. His legacy includes significant contributions to geography, anthropology, and humanitarian efforts in Africa.