In 1878, when Scotsman Alexander Mackay arrived in what is now Uganda to serve as a missionary, he first set up a blacksmith forge among a tribe ruled by King Mutesa. Villagers gathered around this stranger who worked with his hands, puzzled because everyone “knew” that work was for women. At that time, men in Uganda never worked with their hands. They raided other villages to capture slaves, selling them to outsiders. Yet here was this foreign man at work forging farming tools.

Mackay’s work ethic and life resulted in relationships with the villagers and gained him an audience with the…