Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,112 pages of information and 233,645 images on early companies, their products and the people who designed and built them.
son of Rev. John Harker.
"The scientific world has suffered a great loss by the death, after a few days' of illness of Dr. John Allen Harker, F.R.S, which occurred on the morning of Wednesday, October 10th. Dr. Harker, who was the son of the Rev. John Harker, was born at Alston, Cumberland, on January 23rd, 1870. He was educated at Stockport Grammar School, and at the Universities of Manchester and Tubingden. He was a Dalton Chemical Scholar and Berkeley Fellow in Physics of the Owens College, Manchester. In 1900 he became assistant at the National Physical Laboratory, where he remained for sixteen years, being eventually made chief assistant and acting as deputy to the Director in the last eight years of this period. He also acted as temporary superintendent of the Esdalemuir Observatory in 1912, and was the British official delegate to the International Petroleum Congress in Vienna in 1913. From 1916 to 1921 he was Director of Research to the Ministry of Munitions and a member and organiser of the Nitrogen Products Committee and he supervised the Ministry's Research Laboratories from 1916 to 1920... Read more here"