A highly successful and active artist Lennox's work is included in a vast number of collections worldwide. He continues to exhibit throughout Britain as well as on an international level. His work is bold, playful, tactile and extremely distinctive. In his own words, Lennox 'mimics and inverts processes of archaeology through the media of printmaking and painting.'
After graduating from Gray's School of Art, Dunbar worked as a print-making technician before returning to Gray's as the Head of Printmaking in 1986. He has received many national and international awards including a William Gillies Award in 1999 from the RSA which enabled him to work at the Print-Making Centre in New Mexico.