Henry Beaumont Leeson

Chemist

British chemist

British pharmacist

British doctor and chemist

British Army officer and Fellow of the Royal Society

English chemist and political reformer

Scottish chemist and antiquarian

English manufacturing chemist and local politician

English analytical chemist

Professor of chemistry at St Andrew's University, Edinburgh, Scotland

British chemist

English chemist

Surgeon, chemist, lecturer, consultant, architect, builder, gentleman scientist, inventor

English chemist

British chemist and businessman

Scottish chemist, photographer and calotypist (b.1811)

English-American physician, toxicologist, chemist, natural scientist

British chemist and surgeon

Irish physician and polymath

English cleric, scientist and photographer