Theodor Escherich
Pediatrician and microbiologist, Escherichia coli discoverer
A German-Austrian pediatrician and academic contributed significantly to microbiology. His work focused on intestinal bacteria, leading to the discovery of a specific bacterium named Escherichia coli, which plays a crucial role in understanding human gut flora. Emphasis was placed on children's diseases and nutritional disorders. Escherich published various scientific papers that laid the groundwork for future research in bacteriology and pediatrics, including studies on infantile diarrhea and dysentery.
Identified Escherichia coli in 1885
Authored studies on childhood illnesses
Investigated intestinal microorganisms
Other People Born on November 29th
Empress Dowager Cixi
Qing Dynasty Empress and de facto ruler
Born
November 29th, 1835 190 years ago
Died
1908 118 years ago — 73 years old
Born in 1835, rose to power as a concubine of Emperor Xianfeng. After his death, assumed the role of regent for her young son, the Tongzhi Emperor. Governed during a time of significant reform and modernization in China. Faced challenges including military uprisings, foreign invasions, and the Boxer Rebellion. Managed to retain power until her death in 1908, deeply influencing the Qing Dynasty's policies and direction.
Continue ReadingJohn Dramani Mahama
Ghanaian politician, 4th President of Ghana
Born
November 29th, 1958 67 years ago
Served as the 4th President of Ghana from 2012 to 2017. Held various ministerial roles prior to the presidency, including Minister of Communications and Minister of Education. Oversaw economic policies and development programs during presidency. Led the National Democratic Congress party and contested in the 2016 presidential election.
Continue ReadingChristian Doppler
Physicist known for the Doppler effect
Born
November 29th, 1803 222 years ago
Died
March 17th, 1853 173 years ago — 49 years old
An Austrian physicist and mathematician contributed significantly to the field of wave theory and sound. The Doppler effect, named after, describes the change in frequency or wavelength of waves in relation to an observer moving relative to the source of the waves. This concept has applications across various fields, including astronomy, meteorology, and engineering. His research laid foundational principles that enhanced the understanding of sound and light. In addition to wave theory, conducted investigations in color theory and formed a basis for future studies in optics. Held a position at the University of Prague and engaged in various scientific inquiries, fostering developments in physics.
Continue ReadingDenny Doherty
Canadian singer-songwriter of The Mamas & The Papas
Born
November 29th, 1940 85 years ago
Died
January 19th, 2007 19 years ago — 66 years old
A Canadian singer-songwriter gained prominence as a member of the group The Mamas & The Papas during the 1960s. The group was pivotal in shaping the California sound of the era, blending elements of folk, rock, and pop. Significant hits included 'California Dreamin'' and 'Monday, Monday'. The group's harmonious vocals and distinct style garnered wide acclaim. Doherty also released solo albums and collaborated with various artists throughout his career. His vocal talent contributed to numerous chart-topping singles.
Continue ReadingRonnie Montrose
Guitarist for Montrose and solo artist
Born
November 29th, 1947 78 years ago
Died
March 3rd, 2012 14 years ago — 64 years old
An American guitarist and songwriter gained prominence in the early 1970s. Founded the rock band Montrose, which released its self-titled debut album in 1973, featuring the hit single 'Rock Candy.' Montrose collaborated with numerous artists, including Sammy Hagar, contributing significantly to Hagar's early solo work. Pursued a solo career, releasing several albums throughout the years, including 'Open Fire' in 1978. His innovative guitar playing and compositions contributed to the hard rock genre. Also worked as a producer for various artists.
Continue ReadingDana Brooke
Professional wrestler and bodybuilder
Born
November 29th, 1988 37 years ago
Participated in professional wrestling with WWE. Competed in various matches and storylines, gaining recognition for athleticism and charisma. Background in bodybuilding led to success in fitness competitions. Achieved prominence in the women's division of wrestling, showcasing strength and agility.
Continue ReadingOther People Who Died on February 15th
Germinal Pierre Dandelin
Mathematician; Dandelin Spheres in Geometry
Born
April 12th, 1794 231 years ago
Died
February 15th, 1847 179 years ago — 52 years old
Contributed significantly to mathematics and engineering, particularly in the field of geometry. Developed the Dandelin spheres, which provide a geometrical proof of the relationship between conic sections and ellipses. Engaged in research involving the properties of geometric figures and their applications in engineering. Published works that influenced the understanding of conic sections and their properties.
Continue ReadingChristopher Malcolm
Scottish-Canadian actor and director
Born
1946 80 years ago
Died
February 15th, 2014 12 years ago — 68 years old
Chose a career in acting, directing, and producing. Gained recognition for performances in stage productions and television series. Featured in the original cast of the musical 'The Rocky Horror Show' in 1973. Appeared in the series 'Star Wars: Episode V - The Empire Strikes Back' as Dack Ralter. Worked on various projects across media, contributing significantly to the arts in both Canada and Scotland.
Continue ReadingGotthold Ephraim Lessing
German philosopher and playwright
Born
January 22nd, 1729 297 years ago
Died
February 15th, 1781 245 years ago — 52 years old
A key figure of the German Enlightenment, contributed significantly to philosophy and literature. Wrote influential works such as 'Nathan the Wise,' a dramatic poem advocating religious tolerance. Authored 'Laocoon,' which explored aesthetics and the nature of art. Lessing's critique of rationalism and promotion of freedom of thought played a pivotal role in shaping modern philosophy.
Continue ReadingJeanne M. Holm
American general and Air Force leader
Born
1921 105 years ago
Died
February 15th, 2010 16 years ago — 89 years old
Significant contributions to the United States Air Force occurred throughout a distinguished military career. Advanced through ranks to become the first woman in the U.S. Armed Forces to achieve a two-star general officer rank. Played a key role in integrating women into the Air Force and advocating for gender equality within the military. Served as a pioneer for women in the armed services and provided leadership in various capacities during military operations.
Continue ReadingDimitrie Ghica
Romanian lawyer and Prime Minister
Born
1816 210 years ago
Died
February 15th, 1897 129 years ago — 81 years old
Served as the 10th Prime Minister of Romania from 1866 to 1867. Contributed to the legal framework of Romania through various reforms. Played a significant role in the political landscape during the late 19th century. Engaged in the legislative process, focusing on modernization.
Continue ReadingConrad III
King of Germany, Crusader leader
Born
1093 933 years ago
Died
February 15th, 1152 874 years ago — 59 years old
Ascended to the throne as King of Germany in 1138. Led the German forces during the Second Crusade, a military campaign aimed at recapturing the territory lost to Muslim forces in the Levant. Participated in significant battles and campaigns, aiming to bolster Christian influence in the region. His reign was marked by attempts to assert royal authority and manage relations with powerful regional nobles. Encountered challenges from rival factions within the empire and navigated complex political landscapes during his rule. Died in 1152 while still engaged in military and administrative matters.
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