Categories:
- Scottish chemists
- Organic chemists
- 1838 births
- 1922 deaths
- Scottish mathematicians
- Scottish physiologists
- Scottish pharmacologists
- Crystallographers
- Phoneticians
- Fellows of the Royal Society
- Fellows of the Royal Society of Edinburgh
- Alumni of the University of Edinburgh
- Alumni of the University of London
- Heidelberg University alumni
- University of Marburg alumni
- Leipzig University alumni
- People from Edinburgh
- People educated at the Royal High School, Edinburgh
- People educated at Mill Hill School
- 19th-century British scientists
- 20th-century British scientists
- 19th-century chemists
- 20th-century chemists
- 19th-century Scottish people
- 20th-century Scottish people