Dénes Kőnig
Hungarian mathematician and theorist
Contributed significantly to set theory, combinatorics, and graph theory. Developed König's lemma, which is pivotal in various branches of mathematics. Made advancements in the field of infinite combinatorics and co-authored key texts in mathematics education.
Developed König's lemma
Authored 'Theory of Graphs and Its Applications'
Made significant contributions to set theory
Other People Born on September 21st
Herman Fowlkes
American trumpet player and educator
Born
September 21st, 1919 107 years ago
Died
1993 33 years ago — 74 years old
A prominent trumpet player and educator, contributed significantly to jazz music through performances and teaching. Fowlkes played with notable musicians and ensembles, including the Duke Ellington Orchestra. His educational efforts included mentoring young musicians and developing music programs in schools. Through a combination of performance and education, Fowlkes enhanced the appreciation and understanding of jazz.
Continue ReadingRobert Lebel
Canadian businessman and politician
Born
September 21st, 1905 121 years ago
Died
September 20th, 1999 27 years ago — 93 years old
Contributed to various political and business ventures in Canada. Played a significant role in local governance, including serving in public office. Engaged in economic development initiatives that fostered business growth in the region. Held leadership positions within industry organizations, advocating for the interests of the business community.
Continue ReadingHedwig Jagiellon
Duchess of Bavaria, Marriage Alliance
Born
September 21st, 1457 569 years ago
Died
February 18th, 1502 524 years ago — 44 years old
Served as Duchess of Bavaria through marriage. Born into the noble Jagiellonian dynasty, became the wife of Duke George the Rich of Bavaria-Landshut. The marriage aimed to strengthen ties between Poland and Bavaria. The union produced several children, continuing the lineage of both houses. Participated in the political landscape of the late 15th century Europe, influencing regional dynamics.
Continue ReadingPolyxena of Hesse-Rotenburg
Countess Consort of Hohenlohe-Neuenstein
Born
September 21st, 1706 320 years ago
Died
1735 291 years ago — 29 years old
Born in 1706, a member of the House of Hesse-Rotenburg, married to Heinrich Friedrich, Count of Hohenlohe-Neuenstein. Resided in Hohenlohe-Neuenstein where played a significant role in the local aristocracy. Engaged in various state affairs alongside husband, contributing to the governance of the region. Had several children, furthering the family lineage within German nobility.
Continue ReadingDonald A. Glaser
Physicist and Nobel Prize winner
Born
September 21st, 1926 100 years ago
Died
February 28th, 2013 13 years ago — 86 years old
Contributions to the field of physics are significant, particularly in the development of the bubble chamber. This invention changed the way subatomic particles were observed and studied. Glaser received the Nobel Prize in Physics in 1960 for this work, which advanced experimental techniques in particle physics. Later, he explored biophysics and neurosciences, further diversifying his research pursuits. His academic career included a position at the University of California, Berkeley, where he influenced numerous students and researchers.
Continue ReadingH. G. Wells
Science Fiction Writer, The Time Machine
Born
September 21st, 1866 160 years ago
Died
August 13th, 1946 80 years ago — 79 years old
An English novelist, historian, and critic contributed significantly to the science fiction genre. Published the seminal works 'The Time Machine' and 'The War of the Worlds', which explored themes of technology, future societies, and alien invasions. Engaged with social and political issues through literature, reflecting on the implications of scientific advancements. Additionally wrote historical works and essays commenting on societal trends and philosophies.
Continue ReadingOther People Who Died on October 19th
Marie Thérèse of France
French princess and Dauphine of France
Born
December 19th, 1778 247 years ago
Died
October 19th, 1851 174 years ago — 72 years old
Born in 1778, played a significant role in royal lineage as the only surviving child of Louis XVI and Marie Antoinette. Following the execution of her parents during the French Revolution, faced imprisonment and eventual exile. Resided in various countries and negotiated her family's return to France. Eventually married Louis-Antoine, Duke of Angoulême, solidifying her commitment to the royal legacy. Lived until 1851, witnessing the dramatic changes in France over decades.
Continue ReadingPlutarco Elías Calles
Mexican general and 40th President of Mexico
Born
September 25th, 1877 148 years ago
Died
October 19th, 1945 80 years ago — 68 years old
Served as the 40th President of Mexico from 1924 to 1928. Played a crucial role in the post-Revolutionary period, focusing on the consolidation of power and land reform. His presidency was marked by efforts to secularize the state and reduce the influence of the Catholic Church. After leaving office, established the National Revolutionary Party, which later evolved into the Institutional Revolutionary Party (PRI), centralizing political power in Mexico. His political influence extended well beyond his presidency, having a lasting impact on Mexican politics for decades.
Continue ReadingJames C. Murray
American lawyer and politician
Born
May 16th, 1917 109 years ago
Died
October 19th, 1999 26 years ago — 82 years old
Born in 1917, a lawyer and politician served in various political roles in the state of New York. Worked on a range of legislative issues, with a focus on civil rights and urban development. Elected as a member of the New York State Assembly and later the New York State Senate, contributing to significant reforms throughout his tenure. Played a crucial role in the development of state policies that addressed housing and education.
Continue ReadingLuís I of Portugal
King of Portugal and the Algarves
Born
October 31st, 1838 187 years ago
Died
October 19th, 1889 136 years ago — 50 years old
Reign spanned from 1861 to 1889, overseeing significant political and social changes in Portugal. Focused on modernizing the Portuguese economy and infrastructure, particularly in transportation and communications. Engaged in efforts to stabilize the monarchy during a time of political turmoil, including a series of constitutional crises and revolutions. Actively involved in cultural and scientific initiatives, promoting the arts and supporting the establishment of more educational institutions.
Continue ReadingLacey Hearn
American sprinter with Olympic medal
Born
March 23rd, 1881 145 years ago
Died
October 19th, 1969 56 years ago — 88 years old
Born in 1881, a notable American sprinter made significant achievements in athletics during the early 20th century. Competed in the 1904 Summer Olympics held in St. Louis, winning a bronze medal in the 200 meters. Additionally, participated in the 400 meters and contributed to the development and popularity of track and field sports in the United States. After retiring from competitive sports, remained involved in athletics through coaching and mentorship, fostering new generations of athletes.
Continue ReadingSon House
Blues singer-songwriter and guitarist
Born
March 21st, 1902 124 years ago
Died
October 19th, 1988 37 years ago — 86 years old
Born in 1902, this artist played a significant role in the development of the Delta blues genre. He began performing in the 1920s and gained recognition for his emotional vocal style and slide guitar technique. His recordings, including 'Death Letter Blues' and 'Preachin' the Blues', became influential in shaping blues music and inspired future musicians. After a period away from music, a revival in the 1960s brought renewed attention, with performances at festivals and clubs. His contributions to music were recognized through various accolades and he remains a pivotal figure in American music history.
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