10 
Proceedings of the Royal Society of Edinburgh. [Sess. 
logical and ecclesiastical studies, and in 1907 he translated for the Scottish 
History Society the Statutes of the Scottish Church from 1225 to 1559. 
Dr Patrick was a man of immense information, both in literature and 
in human affairs. He had remarkable conversational powers and was a 
keen observer of men and things. Not only had he met most of the great 
men of our day, but he was able, apparently without effort, to retain the 
clearest memory of their characteristics. 
After some months of impaired health, he died on 23rd March 1914. 
John S. Mackay, M.A., LL.D., for many years Mathematical Master at 
the Edinburgh Academy, was born in 1843 at Auchencairn, and received his 
early education at Perth Academy. He studied both at St Andrews and 
Edinburgh, and originally intended to enter the Church. He retired from 
liis post in the Edinburgh Academy in 1904 after thirty-eight years’ service. 
His interest lay mainly in the region of pure geometry, and most of his 
papers are published in the Proceedings of the Edinburgh Mathematical 
Society. He was a recognised authority on Greek mathematics. He edited 
the well-known Elements of Euclid, and communicated various articles to 
the Encyclopcedia Britannica and Chamhers s Encyclopcedia. He was also 
a member of the Permanent International Commission for Mathematical 
Bibliography. 
He became a Fellow of the Society in 1882, served twice on the Council, 
and was a useful memher in the Library Committee. He died on 26th 
March 1914. 
A fuller notice of his career has been prepared by George Philip, M.A., 
D.Sc., and has been published in the Proceedings. 
