Bernhard Riemann
Mathematician and creator of Riemann surfaces
A mathematician contributed significantly to the fields of analysis, differential geometry, and number theory. Riemann introduced concepts such as Riemann surfaces and Riemannian geometry, which laid the groundwork for modern mathematical analysis and theoretical physics. The Riemann Hypothesis, a conjecture regarding the distribution of prime numbers, remains one of the most important unsolved problems in mathematics. Riemann's methods also influenced later developments in complex analysis and topology.
Introduced the Riemann Hypothesis
Developed Riemann surfaces
Laid foundations for Riemannian geometry
Other People Born on September 17th
Ice Seguerra
Singer and actor from the Philippines
Born
September 17th, 1983 42 years ago
A prominent Filipino singer and actor, engaged in various artistic endeavors and public service. Gained initial recognition as a child star in the television series 'Eat Bulaga!' and later rose to fame as a singer with numerous albums. Directed various projects, contributing to the entertainment industry. Served as chairman of the National Youth Commission from 2016 to 2018, advocating for youth empowerment and engagement in national issues.
Continue ReadingDorothy Loudon
American actress with Broadway success
Born
September 17th, 1925 100 years ago
Died
November 15th, 2003 22 years ago — 78 years old
An accomplished actress and singer, presented a remarkable career primarily on Broadway. Gained recognition for the role of Miss Hannigan in the original production of 'Annie', earning a Tony Award for Best Featured Actress in a Musical. Apart from the theatrical stage, also appeared in television shows and movies, including guest spots on 'The Muppet Show' and 'The Twilight Zone'. Contributed vocals to various recordings and performances throughout her career, showcasing a robust singing talent.
Continue ReadingOrlando Cepeda
Baseball player, 1967 NL MVP
Born
September 17th, 1937 88 years ago
Died
June 28th, 2024 1 years ago — 86 years old
Born in Puerto Rico, a baseball player achieved prominence in Major League Baseball, playing primarily as a first baseman and outfielder. Debuted in 1958 with the San Francisco Giants and became a critical part of the team. Won the National League Most Valuable Player Award in 1967 while playing for the St. Louis Cardinals. Helped lead the Cardinals to a World Series championship in 1967. The player was selected for the All-Star Game multiple times during a successful career that lasted nearly two decades. After retirement, contributed to baseball through various roles, including coaching and mentoring young players.
Continue ReadingRafael Israelyan
Architect, designer of Sardarapat Memorial
Born
September 17th, 1908 117 years ago
Died
1973 53 years ago — 65 years old
An Armenian architect and educator, contributed significantly to the architectural landscape of Armenia. Designed the Sardarapat Memorial, which commemorates the Armenian Battle of Sardarapat in 1920, emphasizing national identity and remembrance. Also designed St. Vartan Cathedral in New York City, a prominent structure serving the Armenian community abroad. Played a key role in educating future architects, influencing generations through teaching and mentorship.
Continue ReadingJ. R. Jayewardene
Sri Lankan politician, 2nd President
Born
September 17th, 1906 119 years ago
Died
November 1st, 1996 29 years ago — 90 years old
Served as the second President of Sri Lanka from 1978 to 1989. Was a prominent lawyer prior to his presidency and played a significant role in shaping the country's political landscape. Implemented economic reforms that transitioned Sri Lanka towards a more open economic policy. Was a member of the United National Party and held various ministerial positions before assuming the presidency. Contributed to the establishment of a new constitution that provided greater executive powers to the presidency.
Continue ReadingLupe Ontiveros
American actress in film and television
Born
September 17th, 1942 83 years ago
Died
July 26th, 2012 13 years ago — 69 years old
An accomplished actress, recognized for roles in both film and television, particularly in projects that delve into Hispanic culture and identity. Achievements include significant performances in 'Selena' as the mother of Selena Quintanilla and in 'The Goonies' portraying the character of Rosalita. Career spanned over several decades, showcasing talents across a variety of genres and platforms.
Continue ReadingOther People Who Died on July 20th
Forrest H. Anderson
American Governor of Montana
Born
1913 113 years ago
Died
July 20th, 1989 36 years ago — 76 years old
Served as the 17th Governor of Montana from 1969 to 1973. Focused on improving education and health care policies during the gubernatorial term. Prior to governorship, worked as an attorney and held various judicial positions, including serving on the Montana Supreme Court. Ended his political career after an unsuccessful campaign for a fourth term as governor.
Continue ReadingFelix Dzerzhinsky
Politician and founder of the Cheka
Born
September 11th, 1877 148 years ago
Died
July 20th, 1926 99 years ago — 48 years old
Born in 1877, pursued a career in politics and became an influential figure in the Soviet Union. Played a pivotal role in the establishment of the Cheka, the first Soviet secret police organization, overseeing its operations during a critical period of the Russian Civil War. Advocated for state security measures to consolidate Bolshevik power and combat opposition. Developed policies related to labor and social issues, contributing to early Soviet governance. Served as the head of the All-Russian Extraordinary Commission for Combating Counter-Revolution and Sabotage until his death in 1926.
Continue ReadingJean Ingelow
English poet and author of 'Divided'
Born
March 17th, 1820 206 years ago
Died
July 20th, 1897 128 years ago — 77 years old
Born in 1820 in England, a poet and author contributed significantly to English literature during the Victorian era. Ingelow published her first collection of poems, 'A Rhymed Dialogue,' in 1863. Her most notable work, 'Divided,' achieved widespread recognition and popularity, reflecting themes of love and nature. Ingelow also wrote novels, children's fiction, and stories for Young Ladies, displaying versatility in literary forms. Her poetry often featured intricate rhythms and vivid imagery, appealing to a wide audience of readers. In the latter part of the 19th century, she gained a reputation as a prominent literary figure, receiving accolades from her contemporaries.
Continue ReadingMaria Martinez
Native American potter and artist
Born
1887 139 years ago
Died
July 20th, 1980 45 years ago — 93 years old
An influential potter from San Ildefonso Pueblo, noteworthy for reviving traditional Pueblo pottery techniques. Gained prominence with distinctive black-on-black pottery, a technique that became widely celebrated. Collaborated with her husband, Julian, to create unique artistic works that revived and preserved cultural pottery traditions. Contributed significantly to the recognition of Native American art in the 20th century.
Continue ReadingAndrey Markov
Mathematician known for Markov chains
Born
June 14th, 1856 169 years ago
Died
July 20th, 1922 103 years ago — 66 years old
This Russian mathematician contributed significantly to probability theory and statistical processes. He introduced Markov chains, a mathematical system that undergoes transitions from one state to another on a state space. This concept has been applied across various fields, including economics, genetics, and computer science. Markov also explored the theory of stochastic processes and earned recognition through publications that influenced the development of modern probability and statistics. His work laid foundational principles for future research and applications in various scientific disciplines.
Continue ReadingAlastair Burnet
Journalist and news presenter
Born
July 12th, 1928 97 years ago
Died
July 20th, 2012 13 years ago — 84 years old
A prominent journalist and news presenter, recognized for a distinguished career in British broadcasting. Worked for ITN and the BBC, contributing significantly to political reporting and current affairs. Served as the editor of the 'Daily Express' and presented coverage of major events including the Apollo 11 moon landing and various general elections. Burnet's interviewing style and in-depth analysis of political issues established a strong reputation in journalism.
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