William Sheppard was an American missionary and explorer known for his work in the Congo during the late 19th and early 20th centuries. He was a member of the Presbyterian Church and dedicated his life to spreading Christianity and improving the lives of the local people. Sheppard is particularly noted for his efforts in advocating against the abuses of the Congo Free State under King Leopold II of Belgium. In addition to his missionary work, Sheppard was an accomplished artist and photographer, documenting the culture and landscapes of the Congo. His experiences and observations contributed to a greater understanding of the region and highlighted the need for reform in colonial practices. Sheppard's legacy continues to be recognized for his commitment to social justice and humanitarian efforts.