Copy letter from [Gilbert Thomas Morgan], Chemical Research Laboratory, Teddington, Middlesex, to Sir J H [John Herbert] Parsons, 54 Queen Anne Street, Cavendish Square Parsons' letter was written before Morgan spoke to his secretary. Morgan's third lecture date has been changed, and therefore he can take the Royal Society Club duties on 11 and 17 May without Parsons sacrificing the Wagner evening. 8 May 1933