Scope and Contents Early Infrared Research consists chiefly of correspondence and research material c.1931 - 48. Most of the correspondence was originally kept by Sutherland in 4 alphabetical box files and although it is not all 'scientific correspondence' in the strictest sense, it provides an interesting overall picture of Sutherland's career and research during this period. With the exception of Sutherland's Ph.D. thesis (B.1) there are no working papers or laboratory notes until the war time period. B.4 -...

Scope and Contents The National Physical Laboratory comprises materials that illustrate some aspects of administrative changes and of the daily life of the National Physical Laboratory (NPL) during the period Sutherland worked there. Sutherland was appointed as Director of the NPL in succession to E.C. Bullard in January 1956. He took up his appointment in September of that year and remained in office until 1964 when he resigned in order to become Master of Emmanuel College, Cambridge. During Sutherland's...