By Rudolf Steiner

GA 326

The nine lectures presented here were given in Dornach from Dec. 24 to 28, 1922 and from Jan. 1 to 6, 1923. In the Collected Edition of Rudolf Steiner's works, the volume containing the German texts is entitled, Der Entstehungsmoment der Naturwissenschaft in der Weltgeschichte und ihre seitherige Entwickelung. (Vol. 326 in the Collected Edition.) The lectures were translated by Maria St. Goar and edited by Norman Macbeth.