I am sorry that I can't list all the many smaller donations, which have nevertheless represented a substantial contribution to the total and for which I am enormously grateful.
Anon
Mr & Mrs N. Goulder
Mr & Mrs A. H. Richardson
Miss H. Richardson
Mr & Mrs A. D. Wheeler
Mr & Mrs M. Fell
Dr Frank Ellis for GSK
Mr D. Stancombe
Ms. D. Spriggs
Ms K. Daszkiewicz and her Mum
The Rotary Club of Royston
Johnson Matthey plc
Open Air of Cambridge
The Staff and Pupils of Freman College, Buntingford
Edwinstree school, Buntingford
All the members of my own and my wife's family (!)

