The Estonian school in theoretical biology as a tradition of holistic, developmental and constructivist ideas in general biology goes back to K.F.Burdach, one who coined the term biology in 1800, and his pupil, a greatest biologist of the 19th century Karl Ernst von Baer. Among their followers can be named G.Teichmüller, G.Bunge, Jakob von Uexküll, E.Oldekop and many others.
