Robert Barr was born in Scotland but when he was four his family moved to Canada. There he got brilliant education, and as he became interested in this field he decided to become a teacher. Barr's works are often based on his own experience and reveal his personality: straightforward and even cruel at first sight but very kind when you take a serious look. The Mystery of the Five Hundred Diamonds is a famous story by Robert Barr. Barr shows his talent - cleverness and ingenuity of his plots, particularly in his ability to devise ironic twists to otherwise straightforward situations. The Mystery of the Five Hundred Diamond is whipping up different emotions! The all-consuming story plunges the readers into the mysterious and incomprehensible atmosphere because of the twist endings!