[3] Grant made a career exposing forgeries on the basis of chemical analysis of paper, ink and other characteristics of written documents.
Much of his work was for British Intelligence, as illustrated in the Colin Wallace Clockwork Orange investigation.
Well into his retirement, Grant was called in to investigate possible forgery and to give expert evidence in court.
[4] He was also called as a witness in the war crimes trial of alleged Nazi collaborator John Demjanjuk.
It was like owning half of Australia, it was so secluded.”[6] In the fictionalized 'autobiography' of a former serving officer of Her Majesty's Intelligence Service, "Friends" Secret Intelligence Service MI6, the novelist, convicted fraudster [7] and Zionist agent, Michael John O'Hara (aka Zeev Gideon Korwan), wrote, "Julius Grant to me and indeed to many law enforcement officers worldwide was arguably the world's most respected forensic scientist in his particular area of expertise.