Bernhard Schmidt
Astronomer and inventor of the Schmidt camera
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.
Invented the Schmidt camera in 1930
Improved wide-field astrophotography
Worked on optical experiments and lens design
Other People Born on April 11th
Jyotirao Phule
Indian social reformer and educator
Born
April 11th, 1827 198 years ago
Died
November 28th, 1890 135 years ago — 63 years old
An influential scholar and activist in 19th century India. Focused on social reform, particularly the issues of caste discrimination and women's rights. Established the first girls' school in Pune, promoting education for women and lower castes. Co-founded the Satyashodhak Samaj, an organization aimed at fighting social injustices. Authored several works, including 'Gulamgiri', a critique of caste oppression.
Continue ReadingGustav Vigeland
Norwegian sculptor famous for sculpture park
Born
April 11th, 1869 156 years ago
Died
March 12th, 1943 82 years ago — 73 years old
A prominent Norwegian sculptor focused on monumental design and public art. Vigeland created the Vigeland Park in Oslo, featuring over 200 sculptures in various materials. His works reflect themes of human life, relationships, and emotions. The park remains a significant cultural attraction and showcases Vigeland's distinctive style. The artist's influence extended to architecture as well, where he integrated sculpture into urban design.
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 ReadingJohn I of Portugal
King of Portugal and Algarve
Born
April 11th, 1357 668 years ago
Died
August 14th, 1433 592 years ago — 76 years old
Ruled as King of Portugal from 1385 until death in 1433. Achieved significant stability and growth in Portugal during the late 14th and early 15th centuries. Strengthened ties with England through the Treaty of Windsor in 1386. Promoted exploration along the African coast, laying groundwork for future expeditions. His reign marked the beginning of a period of expansion for Portugal as a maritime power.
Continue ReadingPercy Lane Oliver
Pioneer of volunteer blood donation
Born
April 11th, 1878 147 years ago
Died
1944 81 years ago — 66 years old
Pioneered the concept of voluntary blood donation in the United Kingdom. Founded the National Blood Transfusion Service in 1946, which established a system for the collection and transfusion of blood to improve medical care following World War II. Advocated for the importance of willing donors, significantly influencing the future of blood donation practices. His efforts facilitated safer blood transfusions and laid the groundwork for modern blood banks.
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 ReadingOther People Who Died on December 1st
Alvin Ailey
Choreographer and founder of Ailey American Dance Theater
Born
January 5th, 1931 94 years ago
Died
December 1st, 1989 36 years ago — 58 years old
Ailey established a significant presence in American dance, focusing on African-American cultural experiences. He founded the Alvin Ailey American Dance Theater in 1958, which became a leading company in modern dance, showcasing a repertoire that celebrated African-American heritage. Ailey's choreography often combined elements from African-American spirituals and modern dance styles. One of the most acclaimed works, 'Revelations,' premiered in 1960 and continues to be performed worldwide, highlighting themes of struggle and triumph. Ailey's innovative approach transformed the landscape of American dance and broadened the appeal of modern dance to include audiences from diverse backgrounds.
Continue ReadingKen Berry
Actor in F Troop and Mayberry R.F.D.
Born
November 3rd, 1933 92 years ago
Died
December 1st, 2018 7 years ago — 85 years old
An American actor, singer, and dancer, this individual became widely recognized through television and musical performances. Gained fame from roles in popular television shows such as 'F Troop' and 'Mayberry R.F.D.' The career included performances in musical theatre and guest appearances on various television series. Early career featured work in comedy and dramatic roles, showcasing versatility across genres. Later years included participation in various stage productions and a continued presence in television.
Continue ReadingSandra Day O'Connor
Supreme Court Justice, landmark decisions
Born
March 26th, 1930 95 years ago
Died
December 1st, 2023 2 years ago — 93 years old
First woman to serve as a United States Supreme Court Justice. Appointed by President Ronald Reagan in 1981, served until 2006. Participated in significant rulings on various issues, including affirmative action, abortion, and the separation of church and state. O'Connor emphasized the importance of consensus in her decisions and often served as a pivotal swing vote in closely decided cases. After retiring from the bench, focused on civic engagement and education, founding an initiative to promote civic knowledge among young people.
Continue ReadingStirling Colgate
American physicist and academic leader
Born
November 14th, 1925 100 years ago
Died
December 1st, 2013 12 years ago — 88 years old
An American physicist focused on plasma physics and astrophysics. Contributed to significant advancements in fusion research and high-energy laser studies. Served as a professor at various institutions, emphasizing education and research. Led the development of advanced techniques in the field of high-energy physics and contributed to the understanding of stellar processes. Held several leadership positions in academic institutions and research organizations.
Continue ReadingMaurice Greene
English organist and composer of church music
Born
August 12th, 1696 329 years ago
Died
December 1st, 1755 270 years ago — 59 years old
Born in 1696, a prominent English organist and composer. Served as the organist at St. Paul's Cathedral in London. Contributed significantly to the body of sacred music in the early 18th century. Composed several anthems and services, establishing a legacy within English choral music. His works were influential in the development of hymnody and church music during this period.
Continue ReadingYehudah HaNasi
Rabbi and editor of the Mishnah
Died
December 1st, 217 1808 years ago — None years old
A leading Jewish sage in the late 2nd century, played a crucial role in compiling the Mishnah, a foundational text of Rabbinic Judaism. Acted as a political leader during Roman rule in Judea. His leadership contributed to the preservation and transmission of Jewish law and tradition in a period of significant upheaval. Also known for establishing a religious academy in Tiberias, fostering scholarship.
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