Ernst Alexanderson
Engineer and inventor of radio technology
Born
January 25th, 1878
147 years ago
Died
1975
50 years ago — 97 years old
Category
Scientists & Innovators
Country
United States
Links & References
Born in Sweden, Ernst Alexanderson emigrated to the United States where he developed significant advancements in radio technology. He contributed to the creation of the Alexanderson alternator, an early radio transmission device. This invention became pivotal in the evolution of radio communications. His work also included innovations in sound and video broadcasting, leading to improvements in radio and television transmission. Over his career, he acquired over 300 patents, making notable advancements in electrical engineering.
Invented the Alexanderson alternator
Received the Edison Medal in 1929
Contributed to early radio and television technology
Other People Born on January 25th
Xavi
A prominent Spanish footballer, Xavi played primarily as a midfielder. He spent the majority of his professional career at FC Barcelona, where he became a pivotal figure in the team's success. Xavi was an integral part of the squad that dominated European football in the late 2000s and early 2010s, showcasing exceptional vision and passing ability. Following his tenure at Barcelona, he continued his career at Al-Sadd in Qatar before transitioning to coaching.
Continue ReadingJohn Fisher
Born in 1841, served in the Royal Navy and ascended to prominence during the early 20th century. Played a significant role in modernizing the British Navy, particularly through the introduction of new battleship designs. Held various commands, including Director of Naval Construction and First Sea Lord. Instrumental in the development and implementation of the Dreadnought battleship, which revolutionized naval warfare. Retired in 1910 but continued to advise on naval matters during World War I.
Continue ReadingElisabetta Cocciaretto
Born in 2001, this Italian tennis player began her professional career in 2016. Achieved a career-high ranking of No. 54 in the WTA rankings in 2023. Competed in major tournaments including the Australian Open and French Open. Gained recognition for performances on the WTA tour and for winning the 2021 W60 event in Charleston, South Carolina. Continuously worked to improve rankings and gain experience on the international circuit.
Continue ReadingPaul-Henri Spaak
Served as the 46th Prime Minister of Belgium from 1946 to 1949. Played a significant role in post-war recovery efforts and the integration of European countries through various treaties. Advocated for the establishment of the European Economic Community. Contributed to the modernization of Belgium's infrastructure and public services during a period of reconstruction.
Continue ReadingFriedrich Heinrich Jacobi
Active in the late 18th and early 19th centuries, contributed significantly to German idealism and is recognized for philosophical writings that emphasized the importance of direct experience and the role of the individual in understanding truth. Engaged in philosophical debates with prominent contemporaries and was influenced by the works of Kant and Fichte. Explored themes of faith, reason, and the limitations of rational thought. Writings often reflected a critique of Enlightenment rationalism, advocating for a more holistic understanding of human experience.
Continue ReadingDavid Ginola
A French footballer played primarily as a winger. Career included stints at clubs such as Paris Saint-Germain, Newcastle United, and Aston Villa. Achieved recognition for skillful play and flair on the field. After retiring from professional football, transitioned to a career in sports commentary and television, contributing insights and opinions on the game.
Continue Reading