Copy letter from Archibald Geikie, to Dr Joseph Achille Le Bel, 25 Rue Franklin, Paris 'Sir, I have the pleasure to inform you that the President and Council of the Royal Society have awarded to you and to Professor J H van' t Hoff [Jacobus Hendrik van 't Hoff] the Davy Medal in recognition of the introduction of the theory of asymmetric carbon, and its use in explaining the constitution of optically active carbon compounds. I am, your obedient servant, (signed) Arch Geikie For. Sec. R.S. [Foreign Secretary, Royal Society]'. 3 November 1893