Ernst Alexanderson

Engineer and inventor of radio technology

Ernst Alexanderson - Scientists & Innovators born January 25th, 1878
Born
Died

1975
51 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

Pop Ivy

American football coach and player
Born
January 25th, 1916 110 years ago
Died
2003 23 years ago — 87 years old

Played college football at the University of Alabama. Coached various teams, including a notable tenure as head coach of the San Francisco 49ers in the NFL. Led teams to significant victories and helped develop future NFL players. Contributed to the evolution of coaching tactics and team strategies during the mid-20th century.

Continue Reading

Buddy Baker

Race car driver and sportscaster
Born
January 25th, 1941 85 years ago
Died
August 10th, 2015 10 years ago — 74 years old

A prominent figure in the world of auto racing, this individual achieved significant success in stock car racing during the 1970s and 1980s. Notable for winning the Daytona 500 in 1980, he became the first driver to complete the 500-mile race in under four hours. The individual transitioned into sportscasting after retiring from racing, providing insights and commentary on events including NASCAR races, enhancing the sport's appeal to fans. With a deep passion for racing, this person also contributed knowledge and expertise to aspiring drivers, showcasing a commitment to the sport beyond personal achievements.

Continue Reading

John Fisher

English admiral and naval strategist
Born
January 25th, 1841 185 years ago
Died
July 10th, 1920 105 years ago — 79 years old

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 Reading

Corazon Aquino

Filipino politician, 11th President
Born
January 25th, 1933 93 years ago
Died
August 1st, 2009 16 years ago — 76 years old

Served as the 11th President of the Philippines from 1986 to 1992. First female president in Asia, following the People Power Revolution that ousted Ferdinand Marcos. Advocated for democratic reforms and human rights, restoring democratic institutions after years of martial law. Her administration faced challenges such as a coup attempt and economic issues but focused on rebuilding the nation’s political landscape.

Continue Reading

António Ramalho Eanes

Portuguese general and 16th President
Born
January 25th, 1935 91 years ago

Served as a general in the Portuguese Army and held the presidency from 1976 to 1986. Contributed to the transition of Portugal from dictatorship to democracy following the Carnation Revolution in 1974. Played a key role in establishing a multiparty system and restoring civil liberties in the country. Eanes was instrumental in Portugal's integration into European institutions during his presidency.

Continue Reading

Esa Tikkanen

Ice Hockey Player and Coach
Born
January 25th, 1965 61 years ago

Born in 1965, a Finnish ice hockey player and coach. Played as a forward in the NHL, earning a reputation for his remarkable skill and competitive nature. Notable for contributions to the Edmonton Oilers during the 1980s, becoming a key player in the team's success. Achieved four Stanley Cup championships with the Oilers from 1984 to 1988. Later transitioned to coaching, sharing knowledge and experience with younger players in various leagues.

Continue Reading