 The conclusions drawn from his own observations were supported by his private library, which he viewed as a history of 'fanatical belief systems'.Lenkiewicz contended that in the absence of any good reasons for our beliefs or emotions we must always look to human physiology for an explanation of fanatical or obsessive behaviour and that it is there that we shall discover the roots of fascism – the tendency to treat another person as property.On and off, for nearly 30 years, he worked on his masterpiece, the Riddle Mural in the Round Room at Port Eliot house, home of the Earl of St. Germans, but died before its completion.