6 November 1886 no relation Ian Heilbron
Sir Ian Heilbron DSO FRS (6 November 1886 – 14 September 1959) was a Scottish chemist, who pioneered organic chemistry developed for therapeutic and industrial use.Career
His independent research career focused on the chemistry of natural products, including work on sterols, vitamin D, vitamin A, polyene synthesis, Squalene, terpenes, pyrylium salts, algal pigments, and spiropyrans.  He was also instrumental in the development of DDT to fight malaria and yellow fever. Heilbron, with Arthur Herbert Cook, also studied the synthesis and structure of penicillin.Appointments
Lecturer, Royal Technical College, 1909–14
Scientist, later consultant at British Dyestuffs Corp. (later renamed Imperial Chemical Industries)
Professor of organic chemistry, Royal Technical College, 1919–20
Professor, University of Liverpool, 1920–33 (Heath Harrison Chair of Organic Chemistry)
Professor, University of Manchester, 1933-8 (Sir Samuel Hall Chair of Chemistry, 1935-8)
Professor of Organic Chemistry and Director of the Laboratories, Imperial College, 1938–49
1949: Retired from academic research
Director, Brewing Industry Research Foundation, 1949–58
Chairman of the Advisory Council of the Royal Military College of Science
International Union of Pure & Applied Chemistry
Editor-in-chief of the “Dictionary of Organic Compounds” and
Chairman of the editorial board of “Thorpe’s Dictionary of Applied Chemistry.”
no relation