Gerhard Ringel

Mathematician known for graph theory contributions

Gerhard Ringel - Mathematician known for graph theory contributions
Born

1919
106 years ago

Died

June 24th, 2008
17 years ago — 89 years old

Category

Scientists & Innovators

Country

Austria

Links & References

Austrian mathematician contributed significantly to the fields of graph theory and topology. Held a position at the University of Vienna and published numerous papers advancing the understanding of combinatorial structures. Conducted research on the Ringel-Kotzig conjecture and worked on topics related to map colorings. Played a key role in the development of the mathematical theories related to these areas, influencing subsequent studies and applications in mathematics.

Contributed to graph theory

Worked on the Ringel-Kotzig conjecture

Published numerous academic papers

Other People Who Died on June 24th

Trần Thiện Khiêm

Prime Minister of South Vietnam
Born
1925 100 years ago
Died
June 24th, 2021 4 years ago — 96 years old

Held the position of 7th Prime Minister of South Vietnam from 1967 to 1968. Served as an army officer in the Army of the Republic of Vietnam. Played a significant role during the Vietnam War and contributed to military planning and operations. After political changes in Vietnam, settled in the United States before returning to Vietnam.

Continue Reading

Xiang Zhongfa

Chinese politician, 2nd General Secretary
Born
1880 145 years ago
Died
June 24th, 1931 94 years ago — 51 years old

Served as the 2nd General Secretary of the Chinese Communist Party. Played a significant role in the early years of the party and was active in organizing the labor movement and promoting communist ideology in China. His leadership came during a time of intense struggle for the party, particularly with the Nationalist Movement. The tenure ended with his execution in 1931, which marked a significant moment in party history as it reflected the violent opposition faced by Communist leaders at that time.

Continue Reading

Fred Anderson

Jazz tenor saxophonist, founded a label
Born
1929 96 years ago
Died
June 24th, 2010 15 years ago — 81 years old

A significant figure in the Chicago jazz scene, contributed to the development of avant-garde jazz. Co-founded the famous venue the Velvet Lounge in 1986, which became a hub for innovative jazz musicians. Released several acclaimed albums, including 'From the River to the Ocean' and 'Second Time Around'. Worked with various renowned artists and was pivotal in nurturing younger musicians. Passed away in 2010.

Continue Reading

Louise Whitfield Carnegie

Philanthropist of notable foundations
Born
1857 168 years ago
Died
June 24th, 1946 79 years ago — 89 years old

Contributed to various charitable causes, particularly in education and the arts. Supported the establishment of Carnegie institutions and libraries, which provided access to educational resources for many communities. Worked alongside husband, Andrew Carnegie, on numerous philanthropic projects that aimed to improve living conditions and opportunities for the less fortunate. Advocated for workers' rights and social reforms through various initiatives.

Continue Reading

Derek Dougan

Footballer and journalist, Blackburn Rovers
Born
January 20th, 1938 87 years ago
Died
June 24th, 2007 18 years ago — 69 years old

Born in 1938, a footballer played as a center-forward for several clubs including Wolverhampton Wanderers and Blackburn Rovers. Achieved significant success in the Football League, contributing to his teams with both goals and leadership on the field. Post-retirement, transitioned into journalism, providing insights on football and analysis in various media platforms. Had a notable career that spanned several decades, both as a player and as a pundit, establishing a respected position within the football community.

Continue Reading

Emil Seidel

American politician and woodcarver
Born
December 13th, 1864 160 years ago
Died
June 24th, 1947 78 years ago — 82 years old

Served as the 36th Mayor of Milwaukee, holding office from 1910 to 1912. During this tenure, focused on urban development and social reforms. Involved in woodcarving, crafting intricate designs that contributed to the local art community. Active in local politics, advocating for progressive policies that addressed the needs of residents and improved city infrastructure.

Continue Reading