Rolf Landauer
Physicist known for Landauer's principle
A German-American physicist and academic, made significant contributions in the field of theoretical physics, particularly information theory and its relation to thermodynamics. In 1961, introduced Landauer's principle, which established a fundamental link between information processing and energy consumption. Worked at IBM Thomas J. Watson Research Center and contributed to the development of quantum computing and noise in electronic devices. Held various academic positions, including professor at universities in the United States.
Introduced Landauer's principle
Contributed to quantum computing
Other People Born on February 4th
Ken Thompson
Computer Scientist, Co-developer of Unix
Born
February 4th, 1943 83 years ago
Contributed significantly to the development of the Unix operating system. Co-developed the B programming language, which laid the groundwork for later programming languages. Worked at Bell Labs, collaborating with Dennis Ritchie to create the robust Unix architecture. Earned the Turing Award in 1983 for profound contributions to computing.
Continue ReadingAugustin Pyramus de Candolle
Swiss botanist and mycologist
Born
February 4th, 1778 248 years ago
Died
September 9th, 1841 184 years ago — 63 years old
This individual contributed significantly to botany and mycology through extensive research and classifying plant species. Served as a professor at the University of Geneva, where instruction focused on natural sciences. Published important works including 'Flore Française' and 'Geographie Botanique Raisonnée', which influenced botanical nomenclature and taxonomy. Participated in the establishment of the International Botanical Congress, promoting collaboration among scientists in the field.
Continue ReadingJiří Raška
Czech ski jumper and coach, Olympic silver
Born
February 4th, 1941 85 years ago
Died
2012 14 years ago — 71 years old
Competed in ski jumping, achieving notable success in the 1960s. Secured a silver medal at the 1964 Winter Olympics in Innsbruck in the individual normal hill event. Raised the profile of ski jumping in Czechoslovakia through coaching, contributing to the training of future generations of athletes. Participated in multiple World Championships, earning recognition for consistent performance throughout his career.
Continue ReadingJohan Vansummeren
Belgian professional road cyclist
Born
February 4th, 1981 45 years ago
Competed in professional road cycling from 2002 to 2016. Achieved significant recognition during his career for excelling in one-day races and participating in grand tours. Contributed to various teams, most notably Garmin-Cervélo and Lotto-Soudal. Secured victory in the prestigious Paris-Roubaix race in 2011, a notable achievement in the cobbled classics. Demonstrated resilience and skill in navigating challenging terrains.
Continue ReadingHunter Biden
American attorney and lobbyist
Born
February 4th, 1970 56 years ago
Born in 1970, this individual served as an attorney and lobbyist, contributing to various legal and political discussions. Worked as a board member for several organizations, significantly involved with investment and consulting sectors. Assumed a role within the Ukraine-based company Burisma Holdings, which drew significant attention and scrutiny. Engaged in public service through different capacities and faced scrutiny tied to the political landscape in the United States.
Continue ReadingAlexander Imich
Chemist and parapsychologist
Born
February 4th, 1903 123 years ago
Died
June 8th, 2014 12 years ago — 111 years old
A Polish-American chemist and parapsychologist, contributions included research in the field of parapsychology and studies on the nature of consciousness. Developed an interest in the paranormal and conducted extensive investigations over several decades. An academic career included positions at various institutions, primarily in the United States. Imich's work often bridged the realms of science and the unexplained, leading to publications exploring metaphysical topics. Achieved recognition within the esoteric community and served as the last surviving member of the old guard of parapsychologists.
Continue ReadingOther People Who Died on April 28th
El Risitas
Spanish comedian and viral sensation
Born
1956 70 years ago
Died
April 28th, 2021 5 years ago — 65 years old
A Spanish comedian gained fame through a viral interview that showcased his distinct laughter and storytelling style. A direct translation of his stories into various languages contributed to international popularity. The interview, conducted in 2002, became a foundational element of internet meme culture, particularly in the format of humorous subtitled edits. Several variations emerged, often pairing his animated expressions with comedic voiceovers, leading to widespread recognition beyond Spanish-speaking audiences.
Continue ReadingFrancis Bacon
Irish painter with abstract expressionism
Born
October 28th, 1909 116 years ago
Died
April 28th, 1992 34 years ago — 82 years old
A celebrated painter, achieved recognition for a distinct style that merged figuration with abstraction. Focused primarily on human figures and their emotional states, often depicting the struggles of existence. Worked primarily with oil paint, utilizing techniques that led to textured, dynamic compositions. Exhibited in various prestigious galleries and museums worldwide. Major exhibitions included retrospectives at the Tate Gallery in London and the Museum of Modern Art in New York.
Continue ReadingMaurice Moore
Executed member of the Irish Republican Army
Born
1894 132 years ago
Died
April 28th, 1921 105 years ago — 27 years old
A member of the Irish Republican Army, involved in the struggle for Irish independence. Engaged in significant military operations during the Irish War of Independence. Captured by British forces, faced a military tribunal, and was executed in April 1921. Contributed to the efforts of the IRA in aiming to establish an independent Irish Republic.
Continue ReadingBrad Lesley
Baseball player and actor
Born
1958 68 years ago
Died
April 28th, 2013 13 years ago — 55 years old
Played professional baseball as a relief pitcher in Major League Baseball (MLB). Competed for the Milwaukee Brewers and the California Angels during the 1980s. Transitioned into acting, appearing in the film 'The Sandlot' and several television shows. Also participated in the Japanese Nippon Professional Baseball league.
Continue ReadingLou Thesz
Professional wrestler and trainer
Born
April 24th, 1916 110 years ago
Died
April 28th, 2002 24 years ago — 86 years old
A significant figure in the world of professional wrestling, revolutionized the wrestling style and contributed to its popularity. Worked as a wrestler and trainer, influencing many future generations of wrestlers. Held the NWA World Heavyweight Championship multiple times and was pivotal in the establishment of various wrestling promotions. His legacy includes extensive contributions to the technical aspects of wrestling and the training of several wrestlers who later found success in the industry.
Continue ReadingJános Starker
Cellist known for Bach Cello Suites
Born
July 5th, 1924 102 years ago
Died
April 28th, 2013 13 years ago — 88 years old
Born in Hungary, an accomplished cellist gained recognition as a soloist and educator. Studied at the Franz Liszt Academy of Music, later taught at esteemed institutions including Indiana University. Weekly performances included collaborations with orchestras and chamber groups. Renowned for masterful interpretations, particularly of Bach's Cello Suites. Contributions extended to recording, producing numerous albums that set a standard in classical music.
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