{"id":7581,"date":"2023-12-04T16:28:07","date_gmt":"2023-12-04T16:28:07","guid":{"rendered":"https:\/\/www.leo-computers.org.uk\/leopedia.org\/?p=7581"},"modified":"2023-12-04T16:31:32","modified_gmt":"2023-12-04T16:31:32","slug":"leo-fantl","status":"publish","type":"post","link":"https:\/\/www.leo-computers.org.uk\/leopedia.org\/leo-fantl\/","title":{"rendered":"Leo Fantl:"},"content":{"rendered":"\n<p><strong><u>Leo Fantl<\/u><\/strong>\u00a0\u2013 1924-2000 Came to UK in June\u00a0 1939 as a refugee from Czechoslovakia.\u00a0 Joined RAF age 18 and received technical training. Recruited by Lyons as Technical Trainee in the Planning Department in 1949, but was transferred to the LEO enterprise in 1950 to join Derek Hemy as a pioneer programmer.\u00a0 Despite a lack of formal training became a first rate mathematician involved in developing mathematical software and doing ground-breaking work in the problem created by rounding errors.\u00a0 Played major role in most of the early LEO applications including the tax tables for the UK Inland Revenue. In 1960 he was seconded to work on LEO\u2019s first overseas venture, the joint establishment with Rand Mines of a LEO III computer bureau in Johannesburg.\u00a0 He spent much of his remaining career managing the computer operations of Rand Mines by then the sole owners of the bureau.\u00a0 A brief biographical sketch can be found on page 202 of Peter Bird\u2019s LEO: the World\u2019s First Business Computer.<br><a href=\"https:\/\/www.computinghistory.org.uk\/det\/50856\/Leo-Fantl\/\">Leo Fantl<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Leo Fantl\u00a0\u2013 1924-2000 Came to UK in June\u00a0 1939 as a refugee from Czechoslovakia.\u00a0 Joined RAF age 18 and received technical training. Recruited by Lyons as Technical Trainee in the Planning Department in 1949, but was transferred to the LEO enterprise in 1950 to join Derek Hemy as a pioneer programmer.\u00a0 Despite a lack of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[11],"tags":[],"class_list":["post-7581","post","type-post","status-publish","format-standard","hentry","category-obit"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Leo Fantl: - LEOPEDIA EDITORIAL SYSTEM<\/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:\/\/www.leo-computers.org.uk\/leopedia.org\/leo-fantl\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Leo Fantl: - LEOPEDIA EDITORIAL SYSTEM\" \/>\n<meta property=\"og:description\" content=\"Leo Fantl\u00a0\u2013 1924-2000 Came to UK in June\u00a0 1939 as a refugee from Czechoslovakia.\u00a0 Joined RAF age 18 and received technical training. 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