{"id":625307,"date":"2026-01-18T23:01:45","date_gmt":"2026-01-18T22:01:45","guid":{"rendered":"https:\/\/cronologia-universale.it\/1960-23\/"},"modified":"2026-01-18T23:01:45","modified_gmt":"2026-01-18T22:01:45","slug":"april-20-1954","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/april-20-1954\/","title":{"rendered":"April 20, 1954"},"content":{"rendered":"<p>Enrico Fermi testifies at the closed-door trial against Oppenheimer. In his testimony, he rejects the idea that Oppenheimer had somehow influenced the GAC members to vote against the hydrogen bomb program in October 1949. Fermi is also asked (off topic) whether, by remaining in Rome, he might have been able to intuit some of the secrets underlying the fission bomb, and Fermi responds positively.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Enrico Fermi testifies at the closed-door trial against Oppenheimer. In his testimony, he rejects the&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-625307","post","type-post","status-publish","format-standard","hentry","category-e-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>April 20, 1954 - Cronologia Universale<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cronologia-universale.it\/en\/april-20-1954\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"April 20, 1954 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"Enrico Fermi testifies at the closed-door trial against Oppenheimer. 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