[1] McLeod was born in Stoke Newington on 9 Feb 1841 and died 3 October 1923,[2][3] while other biographies state that he was born in Stoke Newington on 19 February 1841 and died 1 October 1923,[4] a further alternative biography states that he was born 19 February 1842 in the adjacent area of Stamford Hill, North London, and died in Richmond, Surrey on 1 October 1923.
When Hofman received a call to the University of Berlin he joined him, but came back after a short time to the Royal College of Chemistry.
McLeod was appointed professor at the Royal Indian Engineering College, where he stayed till his retirement in 1901.
McLeod helped Lord Salisbury, later Prime Minister, with some experiments in the 1860s [2][3] During his time at the Indian Engineering College he worked on various subjects including meteorology, physics and chemistry.
He carried on the work with the Catalogue of the Royal Society til 1915 when his health did not allow him to continue.