John Thomas Dunn (chemist)

John Thomas Dunn (1837 – 1918) was an English analytical chemist known for his work on industrial chemistry and the analysis of air and water pollution. He was born in Newcastle upon Tyne and spent much of his career in the city, contributing significantly to its industrial development and public health.

Dunn received his education at the Royal College of Chemistry in London and later returned to Newcastle to work as an analytical chemist. He became a leading expert in the analysis of alkali waste, a significant byproduct of the Leblanc process used in the production of sodium carbonate. His expertise was crucial in addressing the environmental problems caused by alkali waste disposal, including air and water contamination.

Dunn’s publications covered a range of topics including the analysis of fuels, the examination of water supplies, and the detection of impurities in industrial products. He was actively involved in professional organizations and societies, promoting the advancement of chemical knowledge and its application to practical problems. He also developed and improved analytical techniques used in industrial settings.

Dunn was a prominent figure in the chemical community of Newcastle, contributing to the city's reputation as a center for industrial innovation. His work left a lasting impact on the fields of analytical chemistry and environmental science, particularly in the context of industrial pollution control.