Annie Jump Cannon
American astronomer and educator
Born
Died
Category
Scientists & Innovators
Country
United States
Links & References
An astronomer and academic specialized in stellar classification. Developed the Harvard Classification Scheme, categorizing stars based on their temperatures and spectral types. Contributed significantly to the study of variable stars and collaborated with a group of female astronomers known as the 'Harvard Computers' at Harvard Observatory. Authored numerous publications and promoted women in science throughout her career.
Developed the Harvard Classification Scheme
Classified over 350,000 stars
Contributed to the understanding of variable stars
Other People Born on December 11th
George Mason
American lawyer and statesman, Constitution
Born
December 11th, 1725 300 years ago
Died
October 7th, 1792 233 years ago — 66 years old
A significant figure in the founding of the United States, he played a central role in the drafting of the Virginia Declaration of Rights in 1776. Mason's advocacy for individual liberties and religious freedom set a precedent for future constitutional reforms. He was a delegate to the Constitutional Convention in 1787 but refused to sign due to concerns over the lack of a bill of rights. Later, he became an influential voice in Virginia's discussions surrounding the Constitution.
Continue ReadingGerd Arntz
Modernist artist, co-creator of Isotype
Born
December 11th, 1900 125 years ago
Died
1988 38 years ago — 88 years old
An artist associated with the modernist movement, contributed significantly to visual communication through the development of the Isotype (International System of Typographic Picture Education). The Isotype aimed to present information visually, utilizing simple and clear symbols to convey complex ideas. This system became influential in various fields, including education, sociology, and design. Arntz's work was characterized by bold graphics and a commitment to clarity, reflecting the ideals of the modernist aesthetic during the early to mid-20th century. Collaborated with other artists and thinkers to promote the use of visual language in presenting statistical data and social information.
Continue ReadingChristina Onassis
Businesswoman and heiress of Onassis fortune
Born
December 11th, 1949 76 years ago
Died
November 19th, 1988 37 years ago — 38 years old
Born to a prominent shipping magnate, established a significant presence in business and social circles. Managed her father's extensive shipping company after his passing. Engaged in various ventures including real estate, while also involved in philanthropic efforts. Life was marked by public scrutiny and personal challenges, including a high-profile marriage and subsequent divorce.
Continue ReadingGeorgi Plekhanov
Russian Marxist philosopher and theorist
Born
December 11th, 1856 169 years ago
Died
May 30th, 1918 107 years ago — 61 years old
Contributed significantly to Marxist theory and the development of revolutionary ideas in Russia. Played a key role in establishing the Russian Social Democratic Labor Party. Authored influential texts, including 'Fundamentals of Marxism' and 'The Development of the Monist View of History'. Advocated for the integration of Marxist philosophy with Russian social conditions and emphasized the importance of social movements in achieving revolutionary change.
Continue ReadingRobert Koch
Microbiologist and Nobel Prize laureate
Born
December 11th, 1843 182 years ago
Died
May 27th, 1910 115 years ago — 66 years old
A prominent microbiologist and physician contributed significantly to the field of bacteriology. Discovered the causative agents of tuberculosis, cholera, and anthrax. Developed techniques for isolating bacteria, which paved the way for advancements in microbiological research. Awarded the Nobel Prize in Physiology or Medicine in 1905 for work on tuberculosis, which remains a major health concern worldwide.
Continue ReadingNaguib Mahfouz
Egyptian Author, Nobel Prize Laureate
Born
December 11th, 1911 114 years ago
Died
August 30th, 2006 19 years ago — 94 years old
An Egyptian author, playwright, and screenwriter, this individual contributed significantly to Arabic literature and was the first Arab writer to receive the Nobel Prize in Literature in 1988. His works often explored themes of existentialism and social justice, providing insightful commentary on the human condition and Egyptian society. Major literary achievements include the 'Cairo Trilogy,' which encompasses the novels 'Palace Walk,' 'Palace of Desire,' and 'Sugar Street,' showcasing the intricacies of family life in Cairo. The author's storytelling blended realism with philosophical introspection, earning a place in global literature.
Continue ReadingOther People Who Died on April 13th
Dan Rooney
American football executive and ambassador
Born
1932 94 years ago
Died
April 13th, 2017 8 years ago — 85 years old
A prominent figure in American football administration, served as the Chairman of the Pittsburgh Steelers, a team that won six Super Bowl championships. Played a significant role in the NFL's development, advocating for diversity in hiring practices. Appointed United States Ambassador to Ireland from 2009 to 2012, fostering diplomatic relations between the two nations. His leadership contributed to the Steelers' legacy as one of the most successful franchises in sports history.
Continue ReadingSasaki Kojirō
Japanese samurai and swordsman
Born
1585 441 years ago
Died
April 13th, 1612 413 years ago — 27 years old
A prominent Japanese swordsman, recognized as a formidable opponent in the 16th century. Renowned for his exceptional swordsmanship and expertise with the katana. Notably engaged in a legendary duel against Miyamoto Musashi at Funajima Island, which became a significant part of Japanese martial arts folklore. Established a reputation for precision and skill with the blade, often employing a long sword, known as the nodachi, which complemented his fighting style. Left a lasting legacy within samurai culture through the tales of his life and innovations in swordplay, shaping future generations of warriors.
Continue ReadingJohn Tiptoft
2nd Baron Tibetot and nobleman
Born
July 20th, 1313 712 years ago
Died
April 13th, 1367 658 years ago — 53 years old
A prominent figure in 14th century England, served as a military captain and nobleman during the reign of Edward III. Played a significant role in the political and military activities of the era. Held the title of 2nd Baron Tibetot and participated in various campaigns, contributing to the military efforts of the English crown. Engaged in governance and management of estates, influencing local affairs and the nobility's roles in the English society of that time. His death in 1367 marked the end of his active participation in the political landscape of England.
Continue ReadingMichael Ruppert
Journalist and author of 'Crossing the Rubicon'
Born
February 3rd, 1951 75 years ago
Died
April 13th, 2014 11 years ago — 63 years old
Started career as a Los Angeles police officer before transitioning to journalism. Gained attention for investigative reporting on social and political issues, particularly in relation to government accountability and environmental concerns. Authored several books, with 'Crossing the Rubicon: The Decline of the American Empire at the End of the Age of Oil' receiving significant acclaim, addressing the complex connections between energy policy and global events. Became a prominent voice in the peak oil movement and heavily criticized government actions regarding war and economic policies.
Continue ReadingEduardo Galeano
Uruguayan journalist and author
Born
September 3rd, 1940 85 years ago
Died
April 13th, 2015 10 years ago — 74 years old
A distinguished journalist and author, this individual explored themes of history, politics, and society, often reflecting on the impact of colonialism and capitalism in Latin America. The three-volume work 'Memory of Fire' intricately intertwined historical narrative with personal reflection. 'Open Veins of Latin America' critically examined the exploitation of the region's resources and its consequences, gaining international acclaim. This writer also contributed extensively to the field of sports journalism and was a staunch advocate for human rights.
Continue ReadingErnst Cassirer
Philosopher known for symbolic forms
Born
July 28th, 1874 151 years ago
Died
April 13th, 1945 80 years ago — 70 years old
This philosopher and academic was a key figure in the development of theories about symbolism and culture. He contributed significantly to the philosophy of language, art, and science during the early 20th century. His major works include 'The Philosophy of Symbolic Forms', which proposed ways of understanding human culture through symbols. The work emphasized the role of symbolic systems in shaping human experience and knowledge. His ideas influenced various fields, including anthropology, psychology, and theology. Cassirer was an advocate for a humanistic approach to philosophy, arguing against pure rationalism. He also critiqued the rise of nationalism in Europe and sought to promote a cosmopolitan perspective.
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