Tom Parry Jones
Welsh chemist, inventor of the breathalyzer
Welsh chemist, inventor of the breathalyzer
1935
91 years ago
Scientists & Innovators
Wales
A chemist from Wales, contributed significantly to analytical chemistry through the invention of the breathalyzer, a device used to measure blood alcohol content from breath samples. The breathalyzer has had a profound effect on law enforcement and public safety practices. This invention has influenced legislation and practices regarding drinking and driving, leading to extensive use across various countries. The official breathalyzer device has undergone numerous advancements since its initial creation, but the foundational concept originated with the contributions made by this chemist.
Invented the breathalyzer
Influenced DUI enforcement practices
Served as the Chief Minister of Sarawak from 2014 until 2017, leading the state during a period of economic development and political change. Implemented various policies aimed at enhancing the state's governance and development. Engaged in efforts to preserve Sarawak's natural resources and cultural heritage. Managed state administration and represented Sarawak in national discussions and initiatives.
Continue ReadingPlayed as a defender and was part of the legendary Hungarian national team during the 1950s. Achieved success with Váci Izzó SC and later with Vasas SC, winning multiple Hungarian league titles. Coached various teams, contributing to the development of football in Hungary. His career included participation in the 1954 FIFA World Cup.
Continue ReadingContributed significantly to the field of philology and lexicography. Focused on the study and documentation of the Norwegian language. Published dictionaries and works that defined linguistic research in Norway. Helped to preserve and modernize the understanding of Norwegian dialects and vocabulary.
Continue ReadingWorked as a preacher and sawmill operator. Involved in the 1964 murders of three civil rights workers in Mississippi, which gained national attention. Convicted in 2005 for manslaughter, receiving a 60-year sentence. Died in prison in 2018.
Continue ReadingServed as a general in the German Army during World War II. Commanded various military units on the Eastern Front. Participated in significant battles and operations while overseeing troop movements and strategy. Held leadership positions that involved direct engagement in military planning and execution. After the war, engaged in military studies and writings regarding military strategy and history.
Continue ReadingRuled as Byzantine emperor from 811 to 812. Ascended to the throne after the death of Michael I. Faced military challenges from the Bulgars, who invaded Byzantine territory. Suffered a serious defeat at the Battle of Khipro, which led to significant territorial losses. His reign was marked by internal strife and conflict, including issues related to succession and governance. Died in 812, leading to the rise of his successor.
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