John Landen

Mathematician known for Landen's theorem

John Landen - Thinkers & Philosophers born January 23rd, 1719
Born
Died
Category

Thinkers & Philosophers

Country

England

Links & References

An English mathematician and theorist, contributed significantly to the fields of mathematics and geometry. Formulated Landen's theorem, which concerns the transformation of integrals. Worked on various mathematical topics including the theory of elliptic integrals and the evaluation of logarithmic functions. Authored several papers that influenced later developments in mathematical analysis.

Formulated Landen's theorem

Contributed to the theory of elliptic integrals

Published key papers in mathematical analysis

Other People Born on January 23rd

Airey Neave

English colonel and politician, Shadow Secretary of State for Northern Ireland
Born
January 23rd, 1916 109 years ago
Died
March 30th, 1979 46 years ago — 63 years old

A colonel in the British Army, involvement in World War II included participation in the planning and execution of missions related to the assassination of German officers. Post-war, transitioned into law and entered politics, serving as the Member of Parliament for Abingdon. Played a significant role in the Northern Ireland Office as Shadow Secretary of State for Northern Ireland, where contributions included addressing issues of national security and the political landscape during a tumultuous time.

Continue Reading

Tom Reamy

American author of speculative fiction
Born
January 23rd, 1935 90 years ago
Died
November 4th, 1977 48 years ago — 42 years old

An American author specialized in speculative fiction, published works included short stories and novels. Reamy's story 'The Green Leopard Plague' won the prestigious Nebula Award for Best Novelette in 1970. His writing often explored themes of science fiction and fantasy, contributing to the genre through various publications.

Continue Reading

Muzio Clementi

Pianist, composer of sonatas
Born
January 23rd, 1752 273 years ago
Died
March 10th, 1832 193 years ago — 80 years old

Born in Italy, a prominent pianist, composer and conductor emerged in the late 18th and early 19th centuries. Renowned for piano sonatas and for developing piano techniques. Played a crucial role in shaping piano music through compositions that bridged the Classical and Romantic periods. Notable works include 'Sonatas for Piano' which contributed to piano education and performance. Influence extended to future composers and pianists.

Continue Reading

Wally Parks

Businessman, founder of NHRA
Born
January 23rd, 1913 112 years ago
Died
September 28th, 2007 18 years ago — 94 years old

Founded the National Hot Rod Association in 1951, promoting organized drag racing and creating a structured environment for racing enthusiasts. Established rules and safety standards for the sport, which contributed to its growth and popularity. Published a magazine titled Hot Rod, which became influential in the automotive community. Played a significant role in shaping the culture of hot rodding.

Continue Reading

Walter Frederick Morrison

Inventor of the Frisbee
Born
January 23rd, 1920 105 years ago
Died
February 9th, 2010 15 years ago — 90 years old

An American businessman invented the flying disc toy known as the Frisbee in the 1940s. Initially created as a cake pan, it became popular when its design was refined for recreational use. The toy gained widespread popularity in the 1960s, leading to the establishment of the Frisbee brand and various games associated with it. Morrison's invention has become a staple of outdoor play and has inspired numerous competitions and events around the world. The manufacturing and marketing of the Frisbee transformed the toy industry and created a new category of play.

Continue Reading

Auguste de Montferrand

Architect, designer of Saint Isaac's Cathedral
Born
January 23rd, 1786 239 years ago
Died
1858 167 years ago — 72 years old

Born in France, worked primarily in Russia. De Montferrand's architectural career featured the design of several significant structures, including Saint Isaac's Cathedral in Saint Petersburg. The cathedral is recognized as one of the largest and most prominent religious buildings in the city, showcasing neoclassical architecture and an impressive dome. Additionally, he designed the Alexander Column, which honors Emperor Alexander I and stands in Palace Square.

Continue Reading

Other People Who Died on January 15th

Isaac Nathan

Composer and journalist from Australia
Born
1792 233 years ago
Died
January 15th, 1864 161 years ago — 72 years old

Isaac Nathan contributed significantly to the musical and journalistic landscape of 19th century Australia. As a composer, he is recognized for his role in popularizing Australian folk music and integrating it into professional concert practice. Nathan also served as a journalist, writing for various publications and advocating for the Australian music scene. His work encapsulated the cultural transitions occurring in Australia during a time of colonial expansion and national identity formation. His influence as a promoter of Australian music remained significant in the years following his passing.

Continue Reading

Eliza McCardle Johnson

First Lady of the United States
Born
1810 215 years ago
Died
January 15th, 1876 149 years ago — 66 years old

Served as First Lady during the presidency of Andrew Johnson from 1865 to 1869. Helped in the social and political functions of the White House, providing support during the turbulent post-Civil War era. Managed the household and entertained guests, playing a role in maintaining the public image of the presidency. Faced challenges due to her husband's impeachment and the scrutiny that surrounded his administration. Eliza was known for her strength and resilience during this tumultuous period.

Continue Reading

Rudolph of France

King of France and Duke of Burgundy
Died
January 15th, 936 1089 years ago — None years old

Became King of the West Franks in 923 and ruled until 936. Prior to this, served as Duke of Burgundy. Leadership focused on the consolidation of royal authority in a fragmented kingdom. Worked to stabilize the region during a time marked by Viking invasions and internal strife. Participated in military campaigns against external threats, contributing to the defenses of the realm. Facilitated the transition of power during a critical period in the establishment of a more unified France.

Continue Reading

Ervin Drake

American songwriter and composer
Born
April 3rd, 1919 106 years ago
Died
January 15th, 2015 10 years ago — 95 years old

A prominent songwriter and composer, contributed to the American music scene through several well-loved songs. Created classics that have been performed and recorded by numerous artists over the decades. Collaborated with various musicians and worked on Broadway shows, leaving a lasting legacy within the music industry.

Continue Reading

Seán MacBride

Irish politician, Nobel Prize laureate
Born
January 26th, 1904 121 years ago
Died
January 15th, 1988 37 years ago — 83 years old

An Irish politician and republican activist served as Minister for External Affairs. In 1974, received the Nobel Peace Prize for efforts in promoting peace and reconciliation in Northern Ireland. Instrumental in the founding of Amnesty International and held a significant role in the Irish political landscape throughout the 20th century.

Continue Reading

Catherine Carey

Lady-in-waiting to Elizabeth I
Born
1524 501 years ago
Died
January 15th, 1569 456 years ago — 45 years old

Served as a lady-in-waiting to Elizabeth I and held a significant position in the court. Catherine was the daughter of the renowned courtier and soldier Henry Carey, 1st Baron Hunsdon. As a close servant to the Queen, she played an essential role in the royal household. Her presence in the court marked her involvement in the intricate social and political fabric of Elizabethan England. Catherine's lineage and court duties connected her to the influential roles of the period, contributing to the dynamics of the Tudor monarchy.

Continue Reading