Ludolph van Ceulen

Mathematician; introduced pi calculation

Ludolph van Ceulen - Mathematician; introduced pi calculation
Born

January 28th, 1540
485 years ago

Died

December 31st, 1610
414 years ago — 70 years old

Category

Scientists & Innovators

Country

Netherlands

Links & References

German-Dutch mathematician and academic contributed significantly to the field of mathematics, particularly in the calculation of pi. Van Ceulen spent a considerable portion of his life calculating the value of pi to 35 decimal places. This achievement was commemorated on his tombstone in St. Peter's Church in Leyden. He also authored several works on geometry and was a notable figure in the mathematical community during the 16th century. His work laid important groundwork for future developments in mathematics and numerical computation.

Calculated pi to 35 decimal places

Published 'Die Cijpher' on geometry

Other People Born on January 28th

J. Cole

American rapper and music producer
Born
January 28th, 1985 40 years ago

Born on January 28, 1985, this individual gained recognition in the hip-hop community for blending personal storytelling with social critique in music. The journey began with the release of a mixtape, 'The Come Up', followed by 'The Warm Up', which garnered attention from major labels. The debut studio album, 'Cole World: The Sideline Story', debuted at number one on the US Billboard 200 chart. Over the years, his works addressed themes of ambition, mental health, and the struggles of life. Collaborations with artists such as Kendrick Lamar and contributions to Jay-Z's projects have solidified a prominent position in contemporary rap. A committed advocate for community development, he launched the Dreamville Foundation and is involved in various philanthropic efforts.

Continue Reading

Robert W. Holley

Biochemist, Nobel Prize laureate
Born
January 28th, 1922 103 years ago
Died
February 11th, 1993 32 years ago — 71 years old

An American biochemist contributed to the understanding of nucleic acids. Pioneered work in RNA and played a key role in the discovery of transfer RNA (tRNA) structure and function. Published significant research that advanced molecular biology and genetics. In 1968, received the Nobel Prize in Physiology or Medicine alongside two other scientists for their discoveries concerning the biological effects of nucleic acids.

Continue Reading

Barbi Benton

American actress and model from Playboy
Born
January 28th, 1950 75 years ago

Benton began modeling at the age of 16 and became a popular figure in the 1970s. She gained prominence as a Playboy Playmate and appeared on the cover of the magazine multiple times. Benton featured prominently on 'The Carol Burnett Show' and starred in the television series 'Number 96'. In addition to acting, she pursued a music career, releasing several albums that blended country and pop styles. Benton has also appeared in films such as 'Hospital Massacre' and 'Deathstalker.'

Continue Reading

Leonid Kadeniuk

Ukrainian astronaut and general
Born
January 28th, 1951 74 years ago
Died
2018 7 years ago — 67 years old

Served as a general in the Ukrainian Air Force and completed training as a pilot. Participated in the STS-87 mission as a payload specialist, becoming the first astronaut from Ukraine to fly in space. His mission aboard the Space Shuttle Columbia in 1997 focused on scientific research and experiments. Contributed to the development of Ukraine’s aerospace capabilities.

Continue Reading

Walter Kollo

Composer and conductor of operettas
Born
January 28th, 1878 147 years ago
Died
1940 85 years ago — 62 years old

Born in Germany, the individual was a prominent composer and conductor primarily known for contributions to the genre of operetta. The career included the creation of many successful works during the early 20th century. Significant achievements occurred within the realm of musical theatre, with a focus on light operas that captured the attention of audiences across Europe. Major compositions blended wit and melody, establishing a distinctive style that appealed to the tastes of the era. Some of the works reached great popularity, enhancing the operetta's reputation.

Continue Reading

Payton Pritchard

Basketball Player with Celtics Championship
Born
January 28th, 1998 27 years ago

Born in 1998, a basketball player gained recognition during collegiate play at the University of Oregon, leading the team to significant victories. Drafted in 2020 by the Boston Celtics, contributed notably during the 2020-2021 NBA season. Showcased skills as a point guard, known for effective shooting and playmaking. In 2022, played a role in the Celtics' run to the NBA Finals.

Continue Reading

Other People Who Died on December 31st

Pope Benedict XVI

Pope and theologian, led Catholic Church
Born
1927 98 years ago
Died
December 31st, 2022 2 years ago — 95 years old

Served as the 265th pope from 2005 until 2013. Born in Germany, pursued a career in theology and became a cardinal. Prior to his papacy, served as the Archbishop of Munich and Freising. Contributed to dialogue between faith and reason, and addressed issues within the Church, including secularism and modernity. Resigned in 2013, becoming the first pope to do so in nearly 600 years.

Continue Reading

Giovanni Michelucci

Architect; designed Firenze Santa Maria Novella
Born
January 2nd, 1891 134 years ago
Died
December 31st, 1990 34 years ago — 99 years old

An architect and urban planner, contributions included the design of significant landmarks in Italy. The primary work, Firenze Santa Maria Novella railway station, emphasized functionalist design principles while maintaining aesthetic appeal. Michelucci’s approach merged modernist concepts with traditional elements, shaping urban spaces. His work extended to various projects, including public buildings and infrastructure, reflecting a commitment to integrating architecture with urban planning.

Continue Reading

Seymour Martin Lipset

Sociologist and author of "American Exceptionalism"
Born
March 18th, 1922 103 years ago
Died
December 31st, 2006 18 years ago — 84 years old

An influential sociologist and academic focused on American society, political culture, and democratic theory. Contributed to the understanding of social stratification, political behavior, and the impact of social conditions on democracy. Authored several significant works, including "American Exceptionalism: A Double-Edged Sword," which examined the uniqueness of American society in its political and cultural contexts. Served as a professor at several universities, including Stanford and George Mason University, where taught courses on sociology and politics.

Continue Reading

Basil Wolverton

Author and illustrator of comics
Born
July 9th, 1909 115 years ago
Died
December 31st, 1978 46 years ago — 69 years old

A prominent figure in comic book art and illustration, gained recognition for distinctive style and humor. Contributed extensively to various comic series, particularly with his work for 'Mad Magazine.' Created iconic characters and contributed to the medium with unique and often surreal illustrations. Influenced generations of artists and left a significant legacy in the realm of comics.

Continue Reading

Pancha Carrasco

Costa Rican soldier
Born
April 8th, 1826 199 years ago
Died
December 31st, 1890 134 years ago — 64 years old

Pancha Carrasco served as a soldier in Costa Rica during the 19th century. Participated in significant military campaigns, contributing to the stability and defense of the nation. Commanded troops in various battles, showcasing leadership and tactical skills. Played a pivotal role in the political landscape of Costa Rica, influencing military and civil affairs of the time. His legacy is tied to the early formation of the Costa Rican military structure and national identity.

Continue Reading

Roberto Ciotti

Guitarist and composer with extensive work
Born
1953 72 years ago
Died
December 31st, 2013 11 years ago — 60 years old

An accomplished guitarist and composer, this individual established a significant reputation in the music industry. His work spanned various genres, notably integrating blues and rock into his compositions. Collaborations included performances with prominent artists. Throughout the career, numerous albums were released, showcasing exceptional guitar skills and unique musical arrangements. Participation in prestigious music festivals also marked the journey, reflecting a commitment to live performances and musical expression.

Continue Reading