1941-06-07 Chemists Archer John Porter Martin and Richard L. M. Synge give the first demonstration of partition chromatography (separation of mixtures) at a meeting of the Biochemical Society held at the National Institute for Medical Research, Hampstead
1950-10-20 Chemists Archer John Porter Martin and James Lovelock give the first demonstration of gas chromatography at a meeting of the Biochemical Society. The technique is rapidly adopted by the petrochemical industry.