{"id":"4nbsav4","internal_id":"ff18f76d-334d-4fe8-94f8-9c6af3f456cd","links":{"img_thumbnail":"https://digital.sciencehistory.org/downloads/deriv/pavyd1w/thumb_large_2X?disposition=inline","html_self":"https://digital.sciencehistory.org/works/4nbsav4"},"title":"Letter from Otto Haas to John C. Haas, March 21, 1937","additional_title":[],"format":["text"],"genre":["Personal correspondence"],"medium":[],"extent":[],"language":["English"],"provenance":"","subject":["Haas, John C. (John Charles)","Haas, Otto, 1872-1960"],"department":"Archives","series_arrangement":["Series II: Letters and Correspondence, 1903-1963"],"rights":"http://rightsstatements.org/vocab/InC/1.0/","rights_holder":"David Haas","digitization_funder":"","file_creator":"Auerbach, Jahna","description":"Letter from Otto Haas (1872-1960) to his son John C. Haas (1918-2011).\n\nOtto Haas founded Rohm & Haas in 1909. John C. Haas started working at Rohm & Haas in 1942. After his father's death in 1960, Haas became executive vice president, and his brother F. Otto Haas became president and chief executive officer. He continued to work as chairman, and then on the board, until 1988. ","description_html":"<p>Letter from Otto Haas (1872-1960) to his son John C. Haas (1918-2011).</p>\n\n<p>Otto Haas founded Rohm &amp; Haas in 1909. John C. Haas started working at Rohm &amp; Haas in 1942. After his father's death in 1960, Haas became executive vice president, and his brother F. Otto Haas became president and chief executive officer. He continued to work as chairman, and then on the board, until 1988. </p>","published_at":"2026-08-20T16:46:49Z","updated_at":"2026-08-20T16:46:49Z","creator":[{"category":"author","value":"Haas, Otto, 1872-1960"},{"category":"addressee","value":"Haas, John C. (John Charles)"}],"date_of_work":[{"start":"1937-03-21","start_qualifier":"","finish":"","finish_qualifier":"","note":"","formatted":"1937-Mar-21"}],"place":[{"category":"place_of_creation","value":"Pennsylvania--Villanova"}],"inscription":[],"related_link":[],"additional_credit":[],"physical_container":{"box":"2","folder":"6","volume":"","part":"","page":"","shelfmark":"","reel":"","formatted":"Box 2, Folder 6"}}