The Walter Brattain Family Papers contains the scientific and personal papers of Walter Brattain, an inventor of the transistor and winner of the Nobel Prize in Physics, in addition to his family papers.

The Leo Humphrey Papers contain material from Leo Humphrey, a professor of chemistry at Whitman College. These papers, which date from 1915 through 1924, contain records from Leo's time as a Ph.D. student in chemistry, seminar and lecture notes, academic records, photographs, and programs.

The Roderick T. Roscoe Papers, which dates from 1952 to 1973, contains a journal series by Roscoe of “Scientific Historical Facts Observed," concerning a variety of scientific areas, as well as laboratory tests and general essays and remarks on scientific topics.

Materials related to the Whitman College Biology Department.

Materials related to the Whitman College Science Club whose purpose was to encourage research and impart information.