Félix Tisserand
French astronomer and academic
French astronomer and academic
1896
130 years ago — 51 years old
Scientists & Innovators
France
Contributed significantly to the field of astronomy, particularly in celestial mechanics. Developed methods for calculating orbits of celestial bodies, which were instrumental in improving the understanding of the solar system. Held academic positions and was recognized for advancing astronomical research and education. Published a series of important works, impacting subsequent studies in astronomy.
Published 'Elements of Celestial Mechanics'
Developed Tisserand's criterion for cometary orbits
An academic and politician, served as the 31st Minister of Education and Research in Estonia. Focused on educational reforms and development during the tenure. Contributed to educational policy-making and advancement in the academic sector. Actively engaged in promoting scientific research and enhancing the quality of education in Estonia.
Continue ReadingA former professional footballer, played primarily as a central defender. With a significant career in Club Atlético River Plate, also had stints in clubs like Deportivo Cali, Paris Saint-Germain, Chievo, and Atalanta. Played for the Colombian national team from 1999 to 2014, participating in three FIFA World Cup tournaments. Contributed to Colombia's successful 2016 Copa America campaign, finishing third.
Continue ReadingAn American baseball player, primarily served as a reliever in Major League Baseball (MLB). Hembree debuted with the San Francisco Giants and later played for the Boston Red Sox. During his tenure with the Red Sox, he was part of the team that won the 2018 World Series. He was also noted for his ability to throw a fastball regularly exceeding 95 mph, contributing to effective pitching options out of the bullpen.
Continue ReadingAn American actor, Peña has featured prominently in both film and television since the late 1990s. He gained attention for roles in 'Crash', which won the Academy Award for Best Picture, and portrayed key characters in acclaimed films such as 'American Hustle' and 'Ant-Man'. Peña has also appeared in popular television series, including 'The Shield'. His performances often blend drama and humor, showcasing versatility across genres.
Continue ReadingBorn in 1947, a historian and lawyer who became the Mayor of Kraków in 2002. Focused on urban development and historical preservation, contributed significantly to the cultural heritage of the city. Played important roles in various local and regional legislative bodies, enhancing civic engagement. Involved in several community initiatives aimed at improving quality of life in Kraków.
Continue ReadingBorn in 1974, this ice hockey player achieved significant success in the National Hockey League (NHL) and international play. Played as a forward for several teams, including the New Jersey Devils. Contributed to the Devils' victory in the Stanley Cup championship. After retirement, transitioned into coaching, applying extensive experience gained from playing at elite levels.
Continue Reading