Bierens de Haan

Johan(nes) Abraham Bierens de Haan (* March 17 1883 in Haarlem, � June 13 1958 in Siena, Italy), Dutch biologist and ethologist.

This biographical article is a stub. You can help Wikipedia by expanding it.

See also: Bierens de Haan, 1883, 1958, Biography, Haarlem, June 13, March 17, Siena