John Buchanan, was a Scottish horticulturist who went to Central Africa, now Malawi, in 1876 as a lay member of the missionary party that established Blantyre Mission. Buchanan came to Central Africa
Laying the foundations of Blantyre church in November 1888. Dr. John Bowie is the one standing on the left with a hat. Grace Walker, front left on ground, Harriet Henderson is thought to be the one studying her baby. At the front:Rev. Robt. Cleland, at the centre is John Buchanan, next to him Rev. David Clement Scott then (behind) Janet S. Beck.