1967-1969, Copies of Maurice Wilkins's correspondence with Robert Olby
1969, S.B. Ullman request for help with research, writing samples enclosed
1976, Letter from Hamilton to Wilkins responding to Wilkins's "X-ray diffraction studies of DNA in King's College, 1950 onwards." Includes drafts
1976-2007, Includes correspondence with Watson Fuller and Struther Arnott
1979-Gerald Fink and Fred Sherman at the 1979 Molecular Biology of Yeast Meeting
1991 Entrepreneur of the Year (Includes photographs), 1991