Lipót Fejér
Hungarian mathematician and academic
Born
February 9th, 1880
145 years ago
Died
October 15th, 1959
65 years ago — 79 years old
Category
Scientists & Innovators
Country
Hungary
Links & References
Contributed significantly to functional analysis, particularly in the study of bounded linear operators. Worked extensively on the theory of orthogonal functions and series. Established results related to Fourier series and provided insights into the convergence of such series. Served as a professor in Budapest and influenced the field through both teaching and research.
Developed the Fejér series
Advanced functional analysis
Contributed to orthogonal function theory
Other People Born on February 9th
Larry Semon
Born in 1889, this individual was an influential figure in early American cinema, particularly in the silent film era. Starting as a comedy actor, the career expanded into producing, directing, and screenwriting. Semon became known for his slapstick style, which resonated well with audiences of the time. His most notable work includes the film 'The Wizard of Oz' (1925), where he took the lead role and contributed to its direction. Throughout the 1920s, he was one of the highest-paid actors in Hollywood and directed several of his films, which showcased a unique combination of humor and elaborate visual gags.
Continue ReadingMajor Harris
Major Harris was an American singer who gained prominence in the 1970s. He was a member of the famed soul and R&B group The Delfonics, contributing to their success with rich vocal harmonies. Harris launched a solo career, with his most acclaimed work being the hit single 'Love Won't Let Me Wait'. This track showcased his smooth vocal style and became a classic within the genre. Throughout his career, he performed at various venues, captivating audiences with his soulful sound that epitomized the era's musical landscape.
Continue ReadingGeorgios Athanasiadis-Novas
Served as the 163rd Prime Minister of Greece from 1972 to 1973. Focused on legal reforms and participated in various political activities throughout his career. Actively engaged in the political landscape of Greece during a tumultuous period and held significant roles within the political system. Contributed to legal education and practices in Greece and maintained a presence in public life until later years.
Continue ReadingFederico de Madrazo
A celebrated Spanish painter, this individual specialized in portraiture and historical subjects, exhibiting a mastery of detail and depth in his work. Studied at the Royal Academy of Fine Arts of San Fernando, he became an influential figure in the Spanish art world of the 19th century. His works were appreciated for their depiction of aristocratic society, often showcasing the complexities of character and emotion. The artist also served as a prominent art official, contributing to the cultural landscape of Spain during his lifetime.
Continue ReadingChris Gardner
An entrepreneur and philanthropist, this individual achieved recognition for overcoming homelessness to become a successful businessman. Authored a memoir that inspired a major motion picture, detailing personal struggles and triumphs. Founded a brokerage and launched a charitable foundation focused on education and youth services. The life story highlights resilience and determination in the face of adversity.
Continue ReadingJim Webb
Born in 1946, a captain in the United States Navy who served as the 18th Secretary of the Navy from 1987 to 1988. Webb played a significant role during the Vietnam War as a Marine and received the Navy Cross for bravery in combat. Transitioned to a political career, serving as a U.S. Senator from Virginia from 2007 to 2013. Authored several books and received recognition for contributions to literature and politics. Webb's service in the Navy and subsequent political roles shaped his career trajectory.
Continue ReadingOther People Who Died on October 15th
Petronilla of Aragon
Born in Aragon, Petronilla was the daughter of Ramiro II of Aragon. She became queen consort of Navarre through her marriage to King Sancho VI of Navarre. This union facilitated the dynastic ties between the Kingdom of Aragon and the Kingdom of Navarre. Petronilla's reign was notable for her role in the political affairs of both kingdoms. Her reign spanned a time of consolidation and conflict among the Iberian kingdoms.
Continue ReadingRhazes
A Persian polymath contributed significantly to various fields including medicine, chemistry, and philosophy. Authored numerous influential texts, with notable works in medical science. Made pivotal contributions to the understanding of infectious diseases and is credited with distinguishing between measles and smallpox. Emphasized empirical methods in medicine and advocated for scientific experimentation. Left a lasting legacy through writings such as 'Kitab al-Mansuri' and 'Kitab al-Hawi', which were used as standard medical references for centuries.
Continue ReadingPope Urban VI
Elected Pope in 1378, Urban VI faced immediate challenges, including opposition from a faction of cardinals that led to the Western Schism. Urban's papacy was marked by his efforts to reform the Church and restore ecclesiastical authority. Combatting corruption and promoting moral conduct within the clergy were central to his agenda. His election reinforced the Papal authority in Rome amid significant political and ecclesiastical turmoil. Urban VI's reign highlighted the complexities of Church politics during the late medieval period. The Great Schism that followed his election resulted in multiple claimants to the papacy, complicating the Church's unity and governance during subsequent decades.
Continue ReadingNate Huffman
Played college basketball at the University of Michigan. Entered the professional arena in 1997 with the NBA's Cleveland Cavaliers. Transitioned to international play, competing in various leagues including Europe and Asia. Concluded a successful career with stints in multiple countries, achieving accolades for performance and leadership on and off the court.
Continue ReadingGiovanni Reale
Engaged in the study of ancient philosophy, particularly the works of Plato and Aristotle. Contributed to the understanding of Western philosophical traditions through historical analysis. Authored several books and papers that explored philosophical concepts and their evolution. Developed a coherent framework for interpreting the relevance of ancient thought in contemporary discussions. Made significant contributions to the revival of interest in classical philosophy in academic circles.
Continue ReadingRudolf of Rheinfelden
Served as Duke of Swabia and gained prominence during the Investiture Controversy. Opposed Henry IV, Holy Roman Emperor, and was elected anti-king by a faction of German nobles in 1077. Engaged in multiple battles against Henry IV, most notably at the battle of the Elster in 1080. Struggled for power amidst conflicts between church and state, emphasizing the tension during this period in German history. Died in battle against loyalist forces in 1080.
Continue Reading