this is a simple demonstration--how to install a unitized curtain wall on site this is a simple demonstration--how to install a unitized curtain wall on site Skip navigation
David Livingstone (19 March 1813 â 1 May 1873) was a Scottish Congregationalist pioneer medical missionary with the London Missionary Society and an explorer in Africa.
David Livingstone was 27 years old when he sailed from Scotland to South Africa as a Christian missionary in 1840. He spent much of the next 33 years traveling in the African interior, eventually becoming as famous for his explorations as for his missionary work.avid Livingstone was 27 years old when he sailed from Scotland to South Africa as a Christian missionary in 1840. He spent much of the next 33 years traveling in the African interior, eventually becoming as famous for his explorations as for his missionary work.