Letter from Francis Albert Eley Crew, Upton's Mill, Framfield, Sussex, to Reginald Crundall Punnett 'Dear Punnett Thank you. They were great days when men felt deeply about hypotheses and theories and were ardent in their defence. I first read J. Arthur Thomson's Heredity in a deep German-built dugout in France in 1917, my studies being frequently interrupted and my attention inclined to wander. Yours sincerely...' 27 January n.y. [c. 1965?]