Macedonio Melloni
Italian physicist and academic
Contributed significantly to the field of physics, particularly in thermodynamics and the study of heat. Conducted groundbreaking experiments on the properties of heat radiation and is credited with the invention of the thermopile. Served as a professor at the University of Bologna and promoted scientific inquiry through various academic endeavors, including studies on infrared radiation. Published works on heat conduction and radiation principles, influencing later developments in the scientific community.
Invented the thermopile
Conducted extensive research on heat radiation
Other People Born on April 11th
Bernhard Schmidt
Astronomer and inventor of the Schmidt camera
Born
April 11th, 1879 146 years ago
Died
December 1st, 1935 90 years ago — 56 years old
An Estonian-German astronomer and optician contributed significantly to the field of astronomy through the invention of the Schmidt camera, an optical device that improved wide-field astrophotography. His work enabled astronomers to capture images of celestial objects with enhanced clarity and field of view. The Schmidt camera became a crucial instrument in many observatories around the world, facilitating numerous discoveries in the study of the universe. Schmidt also engaged in various optical experiments and contributed to advancements in lens design, promoting innovation in astronomical instrumentation during his career.
Continue ReadingPierre Péladeau
Canadian businessman, founded Quebecor
Born
April 11th, 1925 100 years ago
Died
December 24th, 1997 28 years ago — 72 years old
A significant figure in Canadian business, founded Quebecor in 1965, a major telecommunications and media company. Expanded operations into the newspaper, television, and printing industries, transforming Quebec's media landscape. Influenced the growth of French-language media in Canada. Péladeau's leadership and vision established Quebecor as a powerful player in the market, leading to numerous acquisitions and a lasting legacy in Canadian entrepreneurship.
Continue ReadingPaul Douglas
American actor in film and theater
Born
April 11th, 1907 118 years ago
Died
September 11th, 1959 66 years ago — 52 years old
An American actor, celebrated for work in both film and stage. Gained prominence during the mid-20th century in Hollywood, starring in several classic films and also making a name on Broadway. In cinema, played significant roles in movies such as 'All the King's Men' and 'The Last Hurrah'. Demonstrated versatility by navigating between comedic and serious roles. Also earned acclaim for performances in theater, showcasing dramatic talent across various productions.
Continue ReadingDean Acheson
U.S. Secretary of State during Truman era
Born
April 11th, 1893 132 years ago
Died
October 12th, 1971 54 years ago — 78 years old
Served as the 51st Secretary of State from 1949 to 1953. Acheson played a significant role in shaping U.S. foreign policy during the Cold War, promoting the Marshall Plan and supporting NATO. His tenure was marked by a focus on containing communism and establishing strong alliances with Western European nations. Involved in key decisions during the Korean War, Acheson's influence extended beyond his time in office through continued engagement in international affairs.
Continue ReadingKotomitsuki Keiji
Sumo wrestler and Ōzeki champion
Born
April 11th, 1976 49 years ago
A sumo wrestler achieved the rank of Ōzeki, the second highest in the sport. Competed for the Takasago stable and debuted in 1991. Gained recognition for skills in the ring and strategic maneuvers. Achieved a total of 16 tournament victories, showcasing consistent performance throughout career. Retired in 2010 and later became a coach, contributing to the development of new wrestlers.
Continue ReadingPercy Lavon Julian
Chemist and pioneer in medicinal chemistry
Born
April 11th, 1899 126 years ago
Died
April 19th, 1975 50 years ago — 76 years old
This chemist made significant contributions to the field of medicinal chemistry. A trailblazer for African Americans in science, developed methods for synthesizing important medicinal compounds. Achieved success in the pharmaceutical industry, particularly in the production of steroids like cortisone and the development of various treatments for glaucoma and inflammation. Held several academic and corporate positions, promoting advancements in chemistry and education.
Continue ReadingOther People Who Died on August 11th
Lavinia Fontana
Italian painter recognized for portraiture
Born
August 24th, 1552 473 years ago
Died
August 11th, 1614 411 years ago — 61 years old
Born in 1552, a prominent Italian painter and educator. Specialized in portraiture and religious works during the late Renaissance. Completed notable commissions for various influential families in Bologna and Rome. Served as the first female member of the Accademia di San Luca. Contributed significantly to the development of women artists in Italy.
Continue ReadingRafael Kubelík
Czech-American conductor and composer
Born
June 29th, 1914 111 years ago
Died
August 11th, 1996 29 years ago — 82 years old
Born in 1914, this individual was a distinguished conductor and composer, recognized for contributions to classical and operatic music. In the 1940s and 1950s, conducted the Chicago Symphony Orchestra and the London Symphony Orchestra. Significant works included the interpretation of Czech music as well as performances of major operas such as 'Carmen' and 'The Tales of Hoffmann'. The individual also served as the music director of the Bavarian State Opera and the Covent Garden Opera, enhancing the prominence of classical music programs.
Continue ReadingLydia Koidula
Estonian poet and playwright
Born
December 24th, 1843 182 years ago
Died
August 11th, 1886 139 years ago — 42 years old
Born in 1843, a significant figure in Estonian literature, contributed greatly to the development of Estonian poetry and drama. Worked towards the promotion of Estonian culture and language during a time of national awakening. Wrote notable works including the play "Saaremaa Ooper" and many poems that celebrated Estonian identity. Advocated for women's rights and education, playing a role in the early feminist movement in Estonia.
Continue ReadingHalfdan Kjerulf
Norwegian journalist and composer
Born
September 15th, 1815 210 years ago
Died
August 11th, 1868 157 years ago — 52 years old
Born in Norway, a significant contributor to journalism and music during the 19th century. Worked as a journalist, producing influential writings that shaped public opinion. Composed choral music, with a focus on folk melodies and traditional themes. His musical works include several pieces for piano and voice, showcasing the Norwegian cultural heritage. Kjerulf collaborated with other notable composers and musicians to promote national music.
Continue ReadingEnrico Betti
Mathematician and academic in Italy
Born
1813 212 years ago
Died
August 11th, 1892 133 years ago — 79 years old
Contributions to mathematics focused on topology and differential equations. Developed the Betti numbers, which are important in algebraic topology. Served in prominent academic roles including a professorship at the University of Pisa. Authored several significant papers that advanced the understanding of the field. Theorems on the existence of solutions to differential equations are considered foundational.
Continue ReadingPeter Cushing
English actor, 'Star Wars' and 'Dracula'
Born
May 26th, 1913 112 years ago
Died
August 11th, 1994 31 years ago — 81 years old
An English actor primarily recognized for roles in horror and science fiction films. Gained prominence through performances in Hammer Horror films, particularly as Van Helsing in 'Dracula'. Portrayed Grand Moff Tarkin in 'Star Wars: A New Hope', contributing to the film's iconic status. Enjoyed a lengthy career with appearances in television and film throughout the mid-20th century, establishing a lasting legacy in genre cinema.
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