{"id":"znwwpmk","internal_id":"38f4ab5a-ce61-4d0a-993f-188b1d4f5357","links":{"img_thumbnail":"https://digital.sciencehistory.org/downloads/deriv/qtaza3c/thumb_large_2X?disposition=inline","html_self":"https://digital.sciencehistory.org/works/znwwpmk"},"title":"Letter from Leon Hyzen to John Ernest, March 3, 1958","additional_title":[],"format":["text"],"genre":["Business correspondence"],"medium":[],"extent":[],"language":["English"],"provenance":"","subject":["Exhibitions","Tobacco mosaic virus","Turnip yellow mosaic virus"],"department":"Archives","series_arrangement":["Series IX: Aaron Klug papers, 1927-1998","Sub-series 1: Correspondence"],"rights":"http://rightsstatements.org/vocab/InC/1.0/","rights_holder":"","digitization_funder":"","file_creator":"Auerbach, Jahna","description":"","description_html":"","published_at":"2026-06-18T12:54:12Z","updated_at":"2026-06-18T12:54:12Z","creator":[{"category":"author","value":"Hyzen, Leon"},{"category":"addressee","value":"Ernest, John"}],"date_of_work":[{"start":"1958-03-03","start_qualifier":"","finish":"","finish_qualifier":"","note":"","formatted":"1958-Mar-03"}],"place":[{"category":"place_of_creation","value":"Illinois--Chicago"}],"inscription":[],"related_link":[],"additional_credit":[],"physical_container":{"box":"18","folder":"4","volume":"","part":"","page":"","shelfmark":"","reel":"","formatted":"Box 18, Folder 4"}}