APPENDIX 



BRIEF BIOGRAPHICAL NOTES CONNECTED WITH 

 THE PORTRAITS 



IN ALPHABETICAL ORDER 



PROFESSOR ARRHENIUS. 



PROFESSOR BERTHELOT (died 1907). 



SIR WILLIAM CBOOKES. 



MADAME CURIE. 



PROFESSOR EMIL FISCHER. 



PROFESSOR MENDELEEFF (died 1907). 



SIR WILLIAM PERKIN (died 1907). 



PROFESSOR SIR WILLIAM RAMSAY (died 1916). 



LORD RAYLEIGH. 



PROFESSOR THEODORE RICHARDS. 



PROFESSOR SIR JOSEPH J. THOMSON. 



