James Finlay Weir JohnstonFrom Wikipedia, the free encyclopedia James Finlay Weir Johnston, FRS FRSE (13 September 1796 ā 18 September 1855) was a Scottish agricultural chemist[1] and mineralogist. James F W Johnston
James Finlay Weir Johnston, FRS FRSE (13 September 1796 ā 18 September 1855) was a Scottish agricultural chemist[1] and mineralogist. James F W Johnston