An influential political philosopher has died, aged 67.
Dudley Ross Knowles, Professor of Political Philosophy at the University of Glasgow and Hegel scholar, was born in Penwortham and attended Cop Lane Primary School and Kirkham Grammar School.
Mr Knowles, a twin, studied at St John’s College Oxford and Bedford College in the University of London.
Having developed a love for the hills during his teenage years he spent his holidays in Glencoe, working at the Clachaig Inn where he met his wife, Anne; they married in 1968. After he and his brother David graduated from London University, they moved to Glencoe.
Mr Knowles, who had a life long passion for bird watching, graduated with a first in Philosophy, and while in Glencoe continued his studies for an M.Litt at the University of Glasgow. He then became a lecturer in the university’s philosophy department.
Mr Knowles his wife and daughter Katy moved to Glasgow, shortly after the death of their infant son, Graham. They later had a second daughter, Helen.
His brother David was killed in an accident on the North face of the Eiger, while on the filmset of The Eiger Sanction in 1974.
At Glasgow Mr Knowles was head of department and warden of the university’s Queen Margaret Hall of Residence. His text books remain widely read.
He retired with his wife to Sussex in 2011, after 38 years at the university. He is survived by his wife, two daughters and five grandchildren.