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
Born in Egypt and raised in France, one of the prominent French singers of the 1960s, recognized for a blend of chanson and pop music. Gained popularity with the song 'Et si tu n'existais pas', which became an iconic piece in French music. Released multiple albums throughout his career and contributed significantly to the French music scene with his melodic voice and engaging lyrics. Maintained a loyal fan base and performed across various venues, celebrating his artistic legacy until his passing.
Continue ReadingServed as the 127th President of the Generalitat de Catalunya from 2003 to 2006. Focused on modernizing Catalonia's economic and social policies. Previously held the position of Mayor of Barcelona from 1982 to 1986, launching initiatives for urban development. Involved in various academic and public policy projects post-political career, contributing to discussions on Catalan identity and governance.
Continue ReadingCompeted professionally in tennis, achieving success in various tournaments. Achieved significant rankings in singles and doubles within the Women's Tennis Association. Notably participated in Grand Slam events, demonstrating skill on both hard and clay courts.
Continue ReadingHeld the title of 1st Earl of Northumberland and served as the Earl Marshal of England. Engaged in regional politics and influenced the management of northern England during the late 14th and early 15th centuries. Played a significant role in the conflicts between rival factions, including the Yorkists and Lancastrians. Participated in the Battle of Shrewsbury in 1403, leading his forces against King Henry IV. His lineage continued the Percys' prominence in English nobility.
Continue ReadingAn English-born Canadian actor who gained recognition for work in television and film. Notably starred in the Canadian science fiction series 'The Starlost' as the character Devon. Also lent talent to various roles in productions such as 'The Canadian Conspiracy' and 'The Incredible Hulk'. Active in the industry for several decades, contributing to both live-action performances and voice work.
Continue ReadingPlayed Major League Baseball primarily as an outfielder from 1986 to 1994. Achieved recognition during his time with the San Francisco Giants and New York Mets. Secured the National League Most Valuable Player award in 1989. Contributed to the Giants' 1989 National League pennant, showcasing notable offensive skills and defensive prowess.
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