[2] He worked as an industrial chemist between 1947 and 1953 while studying his Diploma of Chemical Engineering part time through the Sydney Technical College.
[6] Lynch joined the staff of the University of Queensland's Department of Mining and Metallurgical Engineering as a Research Officer in 1958.
He began work on an Australian Mineral Industries Research Association (AMIRA) project on grinding in 1962.
James Foots, the General Manager of Mount Isa Mines supported the project during this time.
He continued to lecture on modelling and establishing research programmes in countries such as Malaysia, Brazil, Mexico and Turkey.