Calendar of Scientific Pioneers


June 23, 1881. Matthias Jakob Schleiden died.—At first an advocate at Hamburg, Schleiden afterwards held the chairs of botany at Jena and Dorpat. He did much to establish the cell theory, while among his important writings was his “Principles of Scientific Botany.”

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S., E. Calendar of Scientific Pioneers. Nature 107, 541 (1921).

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