Patrick Copland
Patrick Copland FRSE FSA LLD (January 1749 – 10 November 1822) was a Professor of Mathematics (1775-1779) and Natural Philosophy (1779-1817) at Marischal College in Aberdeen. He was a co-founder of the Royal Society of Edinburgh in 1783. He was a keen astronomer and was responsible for building the Castlehill Observatory in Aberdeen. He was a pioneer of the use of demonstration equipment (much of his own design) to explain the principles of mathematics and physics.