Hansen's professional and research papers include correspondence, manuscripts, research notebooks, lecture notes, unpublished
studies and notes on various experiments and scientific developments such as radar, the rhumbatron, the klystron, radiation
and microwave mechanics. Also included are Hansen's account of the development of the klystron tube, reports of the first
linear accelerator at Stanford, his M.I.T. lectures on microwave physics, patents, scrapbooks, and photographs.
Property rights reside with the repository. Literary rights reside with the creators of the documents or their heirs. To obtain
permission to publish or reproduce, please contact the Public Services Librarian of the Dept. of Special Collections.