Letter from Howard Walter Florey to C J F Bottcher, Leiden Shall be pleased for Bottcher to visit the Department - may not be able to see Bottcher himself - thinks lecture on lipids of the human arterial wall would be of great interest - suggests Bottcher deliver this at 4.30 on 15 May - can give £10 fee for this - colleagues will show Bottcher the Department's work - can arrange details at meeting of the Atherosclerosis Discussion Group. 24 April 1961