Rafael Bombelli
Italian mathematician, algebraic pioneer
Born
Died
1572
453 years ago — 46 years old
Category
Thinkers & Philosophers
Country
Italy
Links & References
Born in Italy in 1526, contributions to mathematics included the development of algebra. Authored 'L Algebra', which laid foundational concepts and operations for complex numbers. Focused on manipulating equations and introduced methods for solving polynomial equations, advancing the discipline significantly during the Renaissance. His work prioritized systematic approaches to calculation, enhancing algebraic procedures and notation.
Authored 'L Algebra' in 1572
Developed rules for operations with complex numbers
Pioneered algebraic notation and equation solving
Other People Born on January 20th
José María Giménez
Uruguayan footballer, Atlético Madrid defender
Born
January 20th, 1995 30 years ago
Born in 1995, this Uruguayan footballer began his professional career with Danubio before joining Atlético Madrid in 2013. As a central defender, played a key role in securing multiple titles with Atlético, including the UEFA Europa League in 2018. The player also represents the Uruguay national team, contributing to significant tournaments such as the FIFA World Cup.
Continue ReadingSergi Samper
Spanish footballer with FC Barcelona
Born
January 20th, 1995 30 years ago
Born in 1995, a Spanish footballer developed through the youth academy of FC Barcelona. Played as a midfielder, demonstrating technical skills and ball control. Made his professional debut with FC Barcelona in 2013, contributing to the team during a successful period. Had loan spells with other clubs to gain further experience, including a stint at Granada CF in La Liga. After his time in Spain, the career extended to playing abroad, showcasing versatility and adaptability in various footballing environments.
Continue ReadingFireball Roberts
Race car driver and NASCAR pioneer
Born
January 20th, 1929 96 years ago
Died
July 2nd, 1964 61 years ago — 35 years old
An influential figure in early NASCAR, contributed to the popularity of stock car racing during the 1950s. Achieved significant success on the circuit, winning numerous races and becoming a top contender. In 1962, secured victory in the prestigious Daytona 500. Known for a driving style that combined speed and strategy, raced for teams like Fireball Racing. His career came to an untimely end due to injuries sustained in a crash during the 1964 season.
Continue ReadingDeForest Kelley
Actor, Dr. Leonard McCoy in Star Trek
Born
January 20th, 1920 105 years ago
Died
June 11th, 1999 26 years ago — 79 years old
An American actor achieved recognition for the role of Dr. Leonard McCoy in the original Star Trek television series and subsequent films. Studied at the H. Leslie New-com Theatre in Hollywood and began a career in radio and television before landing prominent roles in Westerns. Joined the cast of Star Trek in 1966, portraying the ship's chief medical officer, contributing to the show's cultural impact and legacy. Continued to reprise the role in multiple television series and films until the late 1990s. Starred in the films Star Trek: The Motion Picture, Star Trek II: The Wrath of Khan, and others. Received a star on the Hollywood Walk of Fame in 1983.
Continue ReadingRuchi Sanghvi
Computer engineer & co-founder of Pulse.io
Born
January 20th, 1982 43 years ago
Ruchi Sanghvi, an Indian computer engineer, contributed significantly to the technology sector, particularly in developing software solutions. After graduating from the University of California, Berkeley, held key positions at tech companies, including as a product manager at Facebook. Played a crucial role in launching innovative products and led the team responsible for the platform's News Feed feature. Co-founded Pulse.io, a news aggregation app that gained wide recognition and was acquired by LinkedIn. Served as Vice President of Product Management at LinkedIn, focusing on user engagement and product strategy.
Continue ReadingJean-Jacques Barthélemy
Archaeologist and numismatist
Born
January 20th, 1716 309 years ago
Died
April 30th, 1795 230 years ago — 79 years old
Contributed significantly to archaeology and numismatics during the 18th century. Conducted extensive research on ancient coins and inscriptions, particularly focused on Greek and Roman materials. Published works that influenced the study of ancient monetary systems. Played a key role in the development of archaeological methodology in France.
Continue Reading