Norman Steenrod

Mathematician and academic with significant contributions

Norman Steenrod - Mathematician and academic with significant contributions
Born

April 22nd, 1910
115 years ago

Died

1971
54 years ago — 61 years old

Category

Scientists & Innovators

Country

United States

Links & References

Became influential in the field of mathematics, particularly in topology and algebra. Contributed to the development of homology theory and cohomology theory, which are fundamental concepts in topology. Authored important texts, including 'The Topology of Fibre Bundles'. Served as a professor at Princeton University, shaping the academic landscape for numerous mathematicians.

Developed homology and cohomology theories

Authored 'The Topology of Fibre Bundles'

Contributed to many mathematical theories and textbooks

Other People Born on April 22nd

Henri La Fontaine

Belgian lawyer and Nobel Prize laureate
Born
April 22nd, 1854 171 years ago
Died
May 14th, 1943 82 years ago — 89 years old

A prominent lawyer and author, contributed to international law and peace efforts. Instrumental in the establishment of the International Peace Bureau and served as its president. Advocated for disarmament and the peaceful resolution of conflicts, significantly impacting legal frameworks regarding peace. Received the Nobel Peace Prize in 1913 for efforts in promoting peace and understanding among nations.

Continue Reading

Fritz Mayer van den Bergh

Belgian art collector and art historian
Born
April 22nd, 1858 167 years ago
Died
1901 124 years ago — 43 years old

Contributed significantly to the field of art history through extensive collection and documentation of artworks. Curated an impressive collection of paintings, sculptures, and decorative arts, which showcased various styles and periods. Established the Mayer van den Bergh Museum in Antwerp to display the collection, ensuring public access to the artworks. Engaged in research focused on medieval and early Netherlandish art, enhancing understanding of the historical context of the pieces collected.

Continue Reading

Hanfried Lenz

Mathematician and academic in Germany
Born
April 22nd, 1916 109 years ago
Died
2013 12 years ago — 97 years old

Specialized in algebra and abstract algebra, significantly contributed to the field of mathematics through original research and the development of mathematical theories. Served as a professor at various institutions, mentoring numerous students and scholars. Authored several influential papers that explored topics such as group theory and lattice theory, contributing to the growth of modern algebra. Worked at institutes that furthered scholarly research and education in mathematics.

Continue Reading

Pope Alexander VIII

Pope during the late 17th century
Born
April 22nd, 1610 415 years ago
Died
February 1st, 1691 334 years ago — 80 years old

Served as the Pope from 1689 until death in 1691. Oversaw the Catholic Church during a period marked by internal reform and external challenges. Addressed issues of clerical reform and church-state relations. Navigated complex political landscapes involving France, Spain, and the Holy Roman Empire. Worked to strengthen the authority of the papacy and mitigate the influence of rivals. Initiated construction projects in Rome, enhancing the city’s architectural heritage.

Continue Reading

Mickey Morandini

Baseball player and manager, Phillies
Born
April 22nd, 1966 59 years ago

A former professional baseball player and manager, this individual played second base in Major League Baseball (MLB) primarily for the Philadelphia Phillies. The player made his MLB debut on September 9, 1990, and enjoyed a career that spanned until 1998. Following retirement from playing, transitioned into coaching and held various positions, including managing in the minor leagues. The player demonstrated a commitment to the game through both participation and leadership roles.

Continue Reading

David J. C. MacKay

Physicist and engineer in academia
Born
April 22nd, 1967 58 years ago
Died
2016 9 years ago — 49 years old

An English physicist and engineer, contributed significantly to the fields of information theory and machine learning. Served as a professor at the University of Cambridge, focusing on the intersection of physics and engineering. Authored the influential book, 'Information Theory, Inference, and Learning Algorithms', which became a key resource in these fields. Engaged in various research initiatives aimed at sustainable energy and future technologies.

Continue Reading