Folder G.143. Pfeifer, H., 1967-1968. Includes invitation (declined) for Richards to attend conference on radio-frequency spectroscopy in Leipzig.

Folders G.144-G.145. Pidcock, A., 1960-1967. Pidcock came from Manchester to do D.Phil. research in Richards's laboratory. 2 folders on research and career. Folder G.145 includes a redraft by Richards of a ms. by Pidcock.

Folder G.146. Poindexter, E., 1968, 1972. Correspondence regarding visits to Oxford.

Folder G.147. Pratt, L., various dates 1950-1960, 1971. Pratt did D.Phil. research in Richards's laboratory.

Folder G.148. Purcell, E.M., 1953, 1963.

Folders G.149-G.151. Schaeffer, T.P., 1955-1965, 1970, 1978. Schaeffer came from Canada to do D.Phil. research in Richards's laboratory. He returned to Oxford for a sabbatical year 1971-1972. 3 folders covering all aspects of research and career. Folder G.150 contains ms. drafts including progress report on fluorobenzenes, graphs, figures for joint paper with Richards. Folder G.151 contains a ms. draft entitled 'Nuclear Magnetic Resonance'.

Folders G.152-G.153. Schulz, G.W., 1967-1970. Schulz came from Mainz to work in Richards's laboratory supported by a Royal Society European Programme Fellowship.

Folder G.154. Sharp, R.R., 1966-1971, 1973-1974. Sharp came from Western Reserve University, Cleveland to work in Richards's laboratory supported by a National Science Foundation Postdoctoral Fellowship.

Folders G.155-G.156. Smith, J.A.S., 1951-1973. Smith was a pupil of Richards at Lincoln who subsequently did D.Phil. research with him. In 1970 he accepted the Chair of Chemistry at Queen Elizabeth College, London. 2 folders covering all aspects of career and research.

Folder G.157. Solartron Electronic Group Limited, 1964-1967. Correspondence regarding frequency synthesisers.

Folder G.158. Taylor, P.J., 1949-1951, 1958, 1960.

Folder G.159. Thomas, I.J., 1960.

Folder G.160. Thomas, J.M., 1983. Correspondence regarding support of university scientific research.