[2] Dunn received his Bachelor of Science degree in chemistry in 1951 with first-class honors at King's College at the University of London.
After this post, Dunn joined the Natural Rubber Producers' Research Association in England as a senior chemist.
Dunn remained with the company for the next 30 years, holding various management and scientific positions, and retiring in 1992 as a principal scientist in the new product research and development division.
Dunn's research focused on vulcanization, aging and testing of rubbers including NR, BR, EPDM, butyl, NBR and HNBR.
His most cited paper, published in 1959, treated the topic of stress relaxation during the thermal oxidation of vulcanized natural rubber.