Ergebnisse und Probleme der Naturwissenschaften; Eine Einfuhrung in die heutige Naturphilosophie.

Leipzig:: Hirzel, 1933., 1933. Fifth edition. 8vo. XII, 650, [2] pp. Frontispiece portrait, 89 figures, index. Original full orange-tan cloth with red stamped letters; some wear to extremities, sticker removed from spine. Embossed stamp of the Carnegie Institution, Mount Wilson Observatory. Good. 'Results and problems of the exact sciences; an introduction to contemporary natural philosophy. ' / "He was one of the few men of science who never lost sight of the ' 'whole while commanding very specialized knowledge of the sciences. His publications and lectures always attempted to bridge the gulf between modern, technically informed science and the sphere of faith and ethics and all the higher spiritual values." – Obituary, Prof. B. Bavink. Nature 161, 122 (1948).