Bernhard Riemann

Mathematician and creator of Riemann surfaces

Bernhard Riemann - Mathematician and creator of Riemann surfaces
Born

September 17th, 1826
198 years ago

Died

July 20th, 1866
159 years ago — 39 years old

Category

Thinkers & Philosophers

Country

Germany

Links & References

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

Sitakant Mahapatra

Indian poet and literary critic
Born
September 17th, 1937 87 years ago

Born in 1937, contributed significantly to Indian literature through poetry and criticism. Wrote in both English and Odia, reflecting the cultural and social concerns of his time. Authored several acclaimed poetry collections and served as a literary critic, shaping the literary landscape in India. Received several awards for literary excellence, including the Sahitya Akademi Award.

Continue Reading

Herman Adolfovich Trautscohold

Geologist and paleontologist specializing in fossils
Born
September 17th, 1817 207 years ago
Died
1902 123 years ago — 85 years old

Born in 1817, a German geologist and paleontologist contributed significantly to the study of fossils and paleobiology. Focused on the geological formations in various regions, particularly in the context of understanding Earth's history and the evolution of life. Conducted field studies that enhanced knowledge of fossil distribution and classification. Authored important papers that influenced future geological study and research methodologies.

Continue Reading

Isang Yun

Composer known for contemporary works
Born
September 17th, 1917 107 years ago
Died
1995 30 years ago — 78 years old

A South Korean-German composer and educator. Developed a unique style that blended traditional Korean music with Western classical music. Served as a music professor at the University of Hamburg, contributing to music education and composition. Was a prominent figure in contemporary classical music throughout the 20th century and received various accolades.

Continue Reading

Bhakti Charu Swami

Indian religious leader and author
Born
September 17th, 1945 79 years ago
Died
2020 5 years ago — 75 years old

A prominent leader within the International Society for Krishna Consciousness (ISKCON), served as a senior disciple of A.C. Bhaktivedanta Swami Prabhupada. Played a significant role in promoting Krishna consciousness worldwide, especially in India and the West. Wrote several books on spiritual philosophy, including commentaries on the Bhagavad-gita and the Srimad Bhagavatam. Engaged in numerous community services and outreach programs to spread the teachings of Krishna.

Continue Reading

Jeff MacNelly

Cartoonist known for editorial cartoons
Born
September 17th, 1947 77 years ago
Died
2000 25 years ago — 53 years old

Provided editorial cartoons that captured political and social issues with sharp wit. Contributed to several newspapers, including the Chicago Tribune and the Richmond Times-Dispatch, creating a distinctive style that resonated with audiences. Received multiple awards for excellence, highlighting a dedication to the craft of cartooning. In addition to cartoons, created the comic strip 'Shoe', which depicted the life of a sarcastic shoe salesman and his family in a humorous light, further cementing a legacy in American humor.

Continue Reading

Sofiane Boufal

Footballer and Morocco national team player
Born
September 17th, 1993 31 years ago

Born on September 17, 1993, a Moroccan footballer played as a winger, gaining attention for performances in domestic leagues and international competitions. Developed skills at Angers SCO before moving to Lille, where strong performances led to a high-profile transfer to Southampton in the English Premier League. Contributed to the national team during multiple competitions, including the Africa Cup of Nations and the FIFA World Cup. Known for flair and creativity on the pitch, made significant contributions to club and country throughout career.

Continue Reading

Other People Who Died on July 20th

William Cosmo Monkhouse

English poet and literary critic
Born
March 18th, 1840 185 years ago
Died
July 20th, 1901 124 years ago — 61 years old

Born in 1840, a noted English poet and critic. Contributed significantly to the literary landscape of the 19th century through poetry that explored themes of nature and society. Worked as a reviewer for several periodicals, offering critiques of contemporary literature and contributing to the understanding of poetic forms. His critical essays provided insight into the works of other poets, and he was engaged in the promotion of poetry among the public. Monkhouse also produced a collection of poetry that reflected the aesthetics and sentiments of his time, achieving recognition within literary circles.

Continue Reading

Pancho Villa

Mexican general and revolutionary leader
Born
June 5th, 1878 147 years ago
Died
July 20th, 1923 102 years ago — 45 years old

A prominent Mexican general and revolutionary leader, this figure played a critical role in the Mexican Revolution from 1910 to 1920. Villa initially gained fame as a bandit and later became the leader of a significant military division known as the División del Norte. During the revolution, he fought against the oppressive regimes in Mexico and aimed to address land reform and rights for the peasantry. He served as the Governor of the state of Chihuahua, where he implemented progressive agricultural policies. His military campaigns included the raid on Columbus, New Mexico, in 1916, which brought international attention to his revolutionary efforts. Eventually, Villa's power waned, and he was assassinated in 1923 as part of a political maneuver, leaving a complex legacy in Mexican history.

Continue Reading

Batukeshwar Dutt

Indian activist in freedom struggle
Born
1910 115 years ago
Died
July 20th, 1965 60 years ago — 55 years old

An activist participated in the Indian independence movement. Batukeshwar Dutt was involved in significant protests against British colonial rule. In 1929, along with Bhagat Singh, threw bombs in the Central Legislative Assembly to protest against repressive laws, aiming to gain attention to their cause. Dutt was subsequently arrested and endured a lengthy prison sentence. He remained committed to the struggle for India's freedom until the end of his life.

Continue Reading

Allen Jenkins

American actor and singer in film musicals
Born
April 9th, 1900 125 years ago
Died
July 20th, 1974 51 years ago — 74 years old

An actor and singer with a career spanning several decades, became recognized for roles in film and stage productions. Gained prominence through performances in musicals and comedies, especially in the 1930s and 1940s. Worked extensively with Warner Bros. and appeared in numerous films including the 'The Roaring Twenties' and 'The East Side Kid' series. Also lent vocal talents to various musical films, contributing to the popularity of the genre during that era.

Continue Reading

Mark Rosenzweig

Psychologist and academic researcher
Born
September 12th, 1922 102 years ago
Died
July 20th, 2009 16 years ago — 86 years old

Contributions focused on animal behavior and brain development. Rosenzweig studied the effects of environmental factors on the brain, notably through experiments with rats. Research demonstrated that enriched environments could enhance cognitive functions and brain plasticity. Served as a professor and continued to share findings through numerous publications and educational efforts within the field of psychology.

Continue Reading

Forrest H. Anderson

American Governor of Montana
Born
1913 112 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 Reading