Grigori Perelman
Mathematician, proved Poincaré conjecture
A mathematician specializing in geometric topology. Developed a proof of the Poincaré conjecture, a fundamental problem regarding the characterization of three-dimensional spheres. This achievement was confirmed by other mathematicians and recognized as a landmark result in the field of mathematics. Rejected the Fields Medal and the Clay Millennium Prize, stating a disinterest in accolades. Resided primarily in St. Petersburg, Russia, for most of his career and gained a reputation for his reclusive and non-conformist lifestyle.
Proved the Poincaré conjecture in topology
Declined the Clay Millennium Prize
Rejected the Fields Medal in 2006
Other People Born on June 13th
Gabriel of Komana
Belgian-Dutch archbishop and theologian
Born
June 13th, 1946 80 years ago
Died
October 26th, 2013 12 years ago — 67 years old
Born in 1946, served as an archbishop within the Roman Catholic Church. Held the position of Archbishop of Mechelen-Brussels, significantly participating in ecclesiastical governance and religious discourse. Contributed to various theological discussions and synods, shaping contemporary church policies and attitudes. Engaged in interfaith dialogue, promoting understanding between different religious communities.
Continue ReadingUlla Schmidt
German Federal Minister of Health
Born
June 13th, 1949 77 years ago
An educator and politician, served as the Federal Minister of Health in Germany from 2001 to 2009. Focused on health care reforms and policies that aimed to improve the German health system. Worked on initiatives related to health insurance and prevention strategies, advocating for better health care access for citizens. Played a significant role in establishing health care regulations and frameworks during tenure.
Continue ReadingSher Bahadur Deuba
Nepalese politician and Prime Minister
Born
June 13th, 1946 80 years ago
Served multiple terms as Prime Minister of Nepal, with the first term beginning in 1995. Played a significant role in the Nepali Congress party and in Nepal's democratic movement. Actively participated in the peace process following the civil war in Nepal, contributing to the constitution drafting process. Engaged in various political negotiations and alliances during a tumultuous period in Nepalese history.
Continue ReadingAntje Möldner-Schmidt
German middle-distance runner, Olympian
Born
June 13th, 1984 42 years ago
Competed in middle-distance and long-distance events. Specialized in the 3000 meters steeplechase. Represented Germany at international competitions. Achieved notable success at the European Championships. Participated in the 2008 Beijing Olympics, finishing 9th in the 3000 meters steeplechase. Also competed in various national and European events, securing medals and personal records.
Continue ReadingTaejong of Joseon
Joseon Dynasty king, founder of dynastic rule
Born
June 13th, 1367 659 years ago
Died
1422 604 years ago — 55 years old
Became the third king of the Joseon Dynasty after usurping the throne in 1400. Implemented significant reforms that strengthened the power of the monarchy and reduced the influence of the noble class. Established a centralized bureaucracy that improved governance. Promoted Confucianism as the state ideology and supported education through the establishment of schools. His reign was marked by efforts to consolidate power and defend against external threats.
Continue ReadingRyan Mason
English footballer and manager
Born
June 13th, 1991 35 years ago
Played as a midfielder, beginning career at Tottenham Hotspur. Achieved appearances in the Premier League and won the 2014 UEFA European Under-21 Championship with the England U21 team. Transitioned into management following retirement due to injury, taking charge of Hull City in 2022.
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