A. E. Douglass
American astronomer known for dendrochronology
American astronomer known for dendrochronology
1962
63 years ago — 95 years old
Scientists & Innovators
United States
An astronomer contributed significantly to the understanding of climate dynamics through the study of tree rings, a field known as dendrochronology. Developed methods to accurately date wooden artifacts and understand historical climate variations, providing insights into past climates and their impact on human activities. Established the Laboratory of Tree-Ring Research at the University of Arizona, which advanced research in the field and trained numerous students. Engaged in astronomical research related to the timing of solar and lunar cycles as well.
Pioneered dendrochronology
Established Laboratory of Tree-Ring Research
Contributed to climate studies
Born in 1982, a professional tennis player began competing on the WTA Tour in the early 2000s. Achieved significant results in both singles and doubles, reaching a career-high singles ranking of No. 69 in 2012. Won her first and only WTA title at the 2015 Taiwan Open in doubles, alongside partner Eri Hozumi. Represented Japan in various international competitions, including the Fed Cup.
Continue ReadingContributions focused on the theory of incentives and information asymmetry in economics. Developed the Mirrlees model, which analyzes how tax systems can be designed to maximize social welfare while accounting for individual responses to taxation. Served as a professor at various institutions, including the University of Cambridge. Critically engaged with topics such as public economics and economic policy.
Continue ReadingA prominent Russian painter and educator, contributed significantly to the development of Russian art in the 19th century. Served as a professor at the St. Petersburg Academy of Arts. Specialized in historical and religious themes, with a notable focus on realism in his works. His teaching influenced a generation of artists, and he is credited with promoting a national identity in art through the depiction of Russian culture and history.
Continue ReadingAn accomplished South Korean actor, recognized for roles in popular television dramas. Gained prominence through performances in series such as 'Healer' and 'Descendants of the Sun'. In addition to television, acted in films like 'Fabricated City'. Established a significant fan base domestically and internationally, contributing to the Hallyu wave. Started the acting career in musical theater before transitioning to television, demonstrating versatility in various genres.
Continue ReadingA prominent tennis player from China, achieved significant success in both singles and doubles formats. Reached a career-high singles ranking of World No. 15 in 2010. Won two Grand Slam doubles titles, claiming victory at Wimbledon in 2006 and the US Open in 2008 alongside her partner. Competed prominently on the WTA Tour and represented China in various international competitions, including the Olympics.
Continue ReadingA prominent tennis player during the late 1990s and early 2000s, this athlete achieved significant success on the professional circuit. Playing both singles and doubles, multiple Grand Slam titles were earned. A strong performance at the Australian Open in 2006 and at Wimbledon in 2006 highlighted a successful career. Additionally, played an instrumental role in the French team that won the Fed Cup in 2003.
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