Hans Clevers was born in 1957, in Eindhoven, Noord-Brabant, Netherlands.
The word play in "To the Root of the Mystery of Clever Hans" refers to the clever use of language to emphasize the investigation into the mystery surrounding the horse, Clever Hans. The title suggests that by delving deep ("to the root") into the mystery, one can uncover the truth behind Clever Hans' abilities.
Clever Hans was a horse that was able to perform arithmetic and intellectual tasks. In 1907 a scientist proved that the horse was not performing the tasks. In fact the horse as responding to the crowd reaction.
In "Clever Hans" by the Brothers Grimm, Hans puts the knife in his sleeve. His mother tells him he should have put it in his pocket. For the full text, check the related links below.
Willy Clever was born on August 11, 1905.
Todd Clever was born on 1983-01-16.
Charles P. Clever was born in 1830.
Hans Öberg was born in 1926.
Hans Svaning was born in 1503.
Horse
Hans Reiche was born in 1914.
Hans Lund was born on 1950-09-23.
Edith Clever was born on December 13, 1940, in Wuppertal, Germany.