The Svedberg and Molecular Reality

Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. [T]he Academy of Sciences [has decided] to award the Chemistry Nobel Prize for 1925 to Dr. Richard Zsigmondy, Professor of Chemistry at the University of G6ttingen, for proving the heterogeneous nature of colloidal solutions and for the methods used which have laid the foundation of modern colloid chemistry. Professor H. G. Soderbaum, Secretary of the Royal Swedish Academy of Sciences