Dr. Jan A. Rajchman was an international legend for his early work in the development of several generations of computer memories. His papers communicate the results of his work, the approval of his work by his colleagues as evidenced by the demand for his speeches at universities, international symposia and colloquia and his promotions to managerial positions within RCA. Understandably, much of his collection pertains to the development of a variety of computer memories and storage of data. In addition, information about his disclosure of inventions and awards of patents equally attests to his importance to RCA and to the science of electronics. Rajchman's papers include detailed information about his world wide travels to Europe and Japan, as well as to Russia, Turkey and Australia. Dr. Rajchman was active in several societies and Institutes, including committees in the Institute of Electrical and Electronics Engineers, and the National Science Foundation, the activities of which are well documented in his papers.

Seventy-three of Rajchman's lab notebooks (1936-1976) and six of his patent disclosure books (1943-1953) can be found in Record Group 26.