Peter Pinkerton FRSE (1870–1930) was a Scottish mathematician who served as Rector of Glasgow High School.
He was educated at Kilmarnock Academy then studied Mathematics at Glasgow University graduating MA in 1890.
In 1899 he moved to Belfast then in 1903 returned to Scotland to teach at George Watson's College in Edinburgh.
[3] Glasgow University awarded him two honorary doctorates: DSc in 1909 and LLD in 1930.
His wife died early in life but they had one son, Dr Herbert Harvey Pinkerton (1901–1982) a physician and noted amateur golfer.