His spying abilities are next questioned by the famous spy writer Frederick Forsyth.

CNN: Quest undercover

Such tendencies were confirmed, and even advocated, by the most famous business writer of the 20th Century, Michael Porter, who wrote that the very object of business strategy is to avoid competition.

FORBES: Mitt Romney, Michael Porter & The Politics Of No Apology

Based on an English novel by famous Indian writer RK Narayan, Guide is the story of a tourist guide who falls in love with a married woman.

BBC: Filmmaker Vijay Anand

There are comparisons to be drawn between Dr Arkin's work and the famous Three Laws of Robotics drawn up in the 1950s by Isaac Asimov, a science-fiction writer, to govern robot behaviour.

ECONOMIST: Monitor