page_title: István Hatvani
hierarchical_section_title: István Hatvani
caption_attribution_description: Hatvani István (1718–1786) orvosdoktor, a Debreceni Kollégium tanára (Vasárnapi Ujság, 1871. február 5.)
context_page_description: István Hatvani was a Hungarian mathematician. He worked on developing some of the earliest elements of probability theory.
context_section_description: István Hatvani (1718–1786) was a Hungarian mathematician. He worked on developing some of the earliest elements of probability theory.
caption: István Hatvani.
exif: {"Image Orientation": "Horizontal (normal)", "Image Software": "ACD Systems Digital Imaging", "Image DateTime": "2015:09:09 21:40:00", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "122", "EXIF ExifVersion": "0210", "EXIF SubSecTime": "803", "EXIF ExifImageWidth": "645", "EXIF ExifImageLength": "766", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "188"}