Complex sentence: He worked as a chemist's assistant for A.H Jones, a chemist who dabbled in buying antiques and had various jobs in the UK between 1951 and 1955-he was a pub owner in Listowel from 1955.
Split into simpler sentences: He worked as a chemist's assistant for A.H Jones-a chemist who dabbled in buying antiques. Keane had various jobs in the UK between 1951 and 1955, and was a pub owner in Listowel from 1955.