Theodosius Dobzhansky
Geneticist and evolutionary biologist
Born
January 25th, 1900
125 years ago
Died
December 18th, 1975
49 years ago — 75 years old
Category
Scientists & Innovators
Country
United States
Links & References
Born in the Russian Empire, a prominent geneticist and evolutionary biologist significantly contributed to the understanding of genetics and evolution. Key work included research on the role of population genetics in evolutionary theory, which helped to synthesize genetics with Darwinian evolution. Spent a major part of the career at Columbia University and published influential papers and books, including 'Genetics and the Origin of Species' in 1937, which became a fundamental text in the field. Contributed to the development of the modern synthesis of evolutionary biology by demonstrating how Mendelian genetics clarified issues in evolutionary theory.
Published 'Genetics and the Origin of Species'
Developed the modern synthesis of evolutionary biology
Other People Born on January 25th
Ernst Alexanderson
Born in Sweden, Ernst Alexanderson emigrated to the United States where he developed significant advancements in radio technology. He contributed to the creation of the Alexanderson alternator, an early radio transmission device. This invention became pivotal in the evolution of radio communications. His work also included innovations in sound and video broadcasting, leading to improvements in radio and television transmission. Over his career, he acquired over 300 patents, making notable advancements in electrical engineering.
Continue ReadingCor van der Hart
Played as a goalkeeper, primarily for FC Utrecht and representing the Netherlands national team. Transitioned to coaching after retirement from playing, taking managerial roles at various clubs, including FC Utrecht and FC Volendam. Contributed to the development of younger players during managerial tenure. Actively participated in promoting football in the Netherlands through coaching and mentorship.
Continue ReadingWilliam McDougall
A Canadian lawyer and politician served as the Lieutenant Governor of the Northwest Territories. His political career included significant contributions to the governance and development of the Northwest Territories during a formative period in Canadian history. McDougall played a key role in the establishment of the territorial government and its relationship with the provinces. As a member of the Legislative Assembly, engaged in advocating for the interests of the region and its inhabitants, shaping policies that would guide the growth and administration of the area. His tenure was marked by efforts to address the challenges facing settlers and Indigenous communities alike, influenced the legal and political landscape of Northern Canada.
Continue ReadingWilliam Colgate
An English-American businessman established a personal care and cleaning products company that later became Colgate-Palmolive. In 1806, started a soap business in New York City, which expanded into producing additional personal care products and dental hygiene items. The company became renowned for its toothpaste and soap products. Colgate was also active in philanthropy, contributing to various charitable causes.
Continue ReadingSamuel T. Cohen
A physicist and academic contributed significantly to defense research, particularly in the development of nuclear weapons. Cohen played a vital role in the Manhattan Project during World War II. Later, he created the concept of the neutron bomb, which was designed to maximize radiation while minimizing blast effects. His work led to his involvement in various defense-related projects throughout the Cold War era, as well as in academic institutions where he educated future scientists.
Continue ReadingGeoff Johns
An accomplished author and screenwriter, contributions include significant work on notable comic book series and adaptations. Involved in the creation of iconic characters and stories for DC Comics, particularly for series such as 'Green Lantern' and 'Flash'. Served as Chief Creative Officer at DC Entertainment and played a vital role in overseeing the DC Universe film universe. Collaborated on various television projects, including 'Arrow' and 'The Flash'.
Continue ReadingOther People Who Died on December 18th
Joseph Barbera
A prominent animator, director, and producer, co-founded Hanna-Barbera, a studio that revolutionized television animation. The studio produced numerous iconic series, including 'The Flintstones,' 'Scooby-Doo, Where Are You!', and 'The Jetsons.' Throughout his career, worked collaboratively with William Hanna to create beloved characters and innovative storytelling techniques that shaped the landscape of animation. Contributed significantly to the format of animated television series and is recognized for pioneering the use of limited animation techniques, which allowed for higher output with constrained budgets. The prolific output of Hanna-Barbera helped establish animation as a staple in family entertainment during the mid-20th century.
Continue ReadingLev Dyomin
Served as a colonel in the Soviet Air Force and participated in the Soviet space program. Became a cosmonaut and flew on the Soyuz 7 mission. Contributed to various aeronautical and astronautical disciplines during a significant era of space exploration. Recognized for exceptional service and dedication to the Soviet space initiatives.
Continue ReadingLucy Grealy
An Irish-American author, extensively examined personal experiences with cancer and disfigurement. Gained prominence with the memoir 'Autobiography of a Face,' detailing the struggles and challenges faced after a jaw cancer diagnosis at a young age. The writing garnered attention for its profound insight into identity, beauty, and trauma. Grealy's work contributed to discussions around illness in literature and personal narrative.
Continue ReadingXuân Diệu
A prominent figure in Vietnamese literature, recognized for contributions to poetry and prose. Published the celebrated poetry collection 'Love Poems,' which showcased modern Vietnamese poetic expression. Worked as a journalist and editor, influencing literary movements in Vietnam. Achieved a reputation for a unique style that blended traditional themes with contemporary influences, exploring love, nature, and existential reflection.
Continue ReadingChris Farley
A well-known American comedian and actor, gained fame through the sketch comedy show Saturday Night Live. Became recognized for larger-than-life characters and physical comedy. Featured prominently in films such as Tommy Boy and Black Sheep. Farley's work often showcased a blend of humor and vulnerability, capturing audiences with both laughter and empathy. Struggled with personal challenges throughout life, contributing to a complicated legacy. Died in 1997 from a drug overdose.
Continue ReadingBernard Bolzano
A mathematician and philosopher, contributions included foundational work in various areas of mathematics and logic. Promoted the importance of mathematical rigor and continuity. His work on the Bolzano-Weierstrass theorem became a critical component of real analysis. Engaged in critical examination of philosophical ideas regarding mathematics, introducing concepts relevant to the philosophy of mathematics.
Continue Reading