Copy letter from Charles Scott Sherrington, President of the Royal Society; to Professor [Hendrick Antoon] Lorentz, ForMemRS 'The President and Council of the Royal Society send most cordial greetings to their most distinguished Foreign Member, Professor [Hendrick Antoon] Lorentz, on the occasion of the his Jubilee, and wish him many years od continued activity and success in his labours.' [Signed by Charles Scott Sherrington, William Bate Hardy and James Hopwood Jeans.] 30 November 1925