John Venn
Mathematician and philosopher, Venn diagram
Born
August 4th, 1834
190 years ago
Died
April 4th, 1923
102 years ago — 88 years old
Category
Thinkers & Philosophers
Country
United Kingdom
Links & References
Contributed significantly to the field of mathematics and philosophy. Developed the Venn diagram, which visually represents logical relations between sets. Authored several works on symbolic logic and probability theory, enhancing the understanding of these subjects. Participated actively in philosophical discussions of his time, focusing on logic and its applications in mathematics.
Developed the Venn diagram
Published 'The Principles of Empirical Logic'
Other People Born on August 4th
Külüg Khan
Ruled as the Emperor Wuzong of Yuan during a period marked by attempts to consolidate the Mongol Empire's power in China. His reign faced challenges from internal conflicts and natural disasters. Focused on restoring the power of the Yuan Dynasty and enforcing the Mongol aristocracy's authority. Also engaged in efforts to suppress corruption within the administration and aimed to stabilize the economy.
Continue ReadingAdam Afriyie
A businessman and politician from England, served as a Member of Parliament for the Windsor constituency from 2005 to 2015. Focused on business and technology during parliamentary tenure and advocated for economic growth. Founded the technology company Conduit and played a significant role in the entrepreneurial community, promoting innovation in the UK.
Continue ReadingDaniel Edward Howard
Served as the 16th president of Liberia from 1920 to 1921. Howard was a prominent figure in the political landscape during his presidency, navigating various national challenges. Before his presidency, held several administrative positions within the Liberian government. His tenure focused on issues such as national unification and economic development amidst a backdrop of political strife. After leaving office, continued to be involved in civic affairs, contributing to the governance and stability of Liberia during tumultuous times.
Continue ReadingLiang Congjie
An environmentalist focused on conservation efforts in China, established Friends of Nature, the first non-governmental environmental organization in the country. Advocated for sustainable development and environmental protection policies within China. Utilized expertise in ecology and environmental science to influence public policy and raise awareness about ecological issues. Promoted the importance of biodiversity and conservation education.
Continue ReadingKnut Hamsun
Pioneered modernist literature, focusing on psychological themes, nature, and introspection. Published works include 'Hunger', 'Growth of the Soil', and 'Hunger' garnered international acclaim. 'Growth of the Soil' won the Nobel Prize in Literature in 1920. Contributions to literature emphasized the inner workings of the human mind and the struggle for identity. Explored the complexities of human experience and the relationship with nature.
Continue ReadingHerb Ellis
A prominent American guitarist, contributed significantly to the jazz genre. Co-founded the band the Four Brothers, which was influential in the 1940s. Collaborated with many renowned musicians including Ella Fitzgerald and Oscar Peterson. Worked as a session musician, contributing to numerous recordings throughout his career. Ellis's talent and innovation on the guitar were recognized in the jazz community, leading to a lasting legacy in the world of music.
Continue ReadingOther People Who Died on April 4th
Jérôme Lalande
An accomplished astronomer and academic, significant contributions included works on lunar observations and the study of comets. Held the chair of astronomy at the Collège de France. Published 'Astronomie', a comprehensive work that served as a vital education resource in the field of astronomy. Actively participated in the French Revolution's scientific endeavors and supported the establishment of the Bureau des Longitudes, promoting the advancement of navigation. His analytical work on the movement of celestial bodies contributed to the scientific community's understanding of astronomy during the 18th century.
Continue ReadingJohn Napier
A mathematician, physicist, and astronomer from Scotland, contributed significantly to early mathematics. Developed the concept of logarithms, simplifying complex calculations and laying groundwork for future mathematical advances. Published 'Mirifici Logarithmorum Canonis Descriptio' in 1614, introducing logarithms to a wider audience. Also invented the Napier's bones, an early calculating tool that aided multiplication and division. Engaged in various studies related to astronomy and designed a device for predicting the position of celestial bodies.
Continue ReadingMargo MacDonald
A journalist and politician who served as a Member of the Scottish Parliament (MSP) for the Lothians. Initiated a career in journalism at a young age and progressed to work with various broadcasting organizations. Entered politics as a member of the Labour Party before becoming an independent MSP. Advocated for issues such as social justice and disability rights throughout her political career. Served as the Deputy Presiding Officer of the Scottish Parliament from 1999 to 2003, enhancing the parliamentary procedures.
Continue ReadingBenedict the Moor
A Franciscan friar who lived in Sicily, dedicated life to spirituality and charity. Canonized as a saint due to reputed miracles and contributions to the prayer community. His devotion to the poor and commitment to religious service garnered a significant following among the faithful. Renowned for a simple lifestyle and deep faith, he served as a model for many in the Franciscan order. Leadership in the local community illustrated profound spiritual influence during and after lifetime.
Continue ReadingKonstantinos Manos
A politician, poet, soldier, and sportsman from Greece, contributed to the literary and political landscape during the early 20th century. His literary works often reflected his experiences and insights gained from military service. Engaged in the political scene, undertook various roles that showcased commitment to national and cultural issues. Participated actively in the sports community, promoting athleticism alongside a multifaceted career in poetry and public service. The work demonstrated a synthesis of artistic and political endeavors.
Continue ReadingAmbrose
Became the Bishop of Milan around 374 and played a critical role in establishing Christian doctrine during the formative years of the Church. Advocated for the independence of the Church from imperial influence and engaged in theological debates with heretical groups. Contributed to the development of liturgical practices and hymnody in the Western Church. His writings, particularly on moral theology and the sacraments, influenced later Christian thought. Appointed a saint by the early Church, his feast day is celebrated on December 7.
Continue Reading