Alexander Macfarlane
Alexander Macfarlane FRSE was a Scottish logician, physicist, and mathematician.
Macfarlane was born in Blairgowrie, Scotland and studied at the University of Edinburgh. His doctoral thesis The disruptive discharge of electricity reported on experimental results from the laboratory of Peter Guthrie Tait. In 1878 Macfarlane was elected a Fellow of the Royal Society of Edinburgh
Source: Wikipedia