John Dobson
Astronomer and author of telescope design
Astronomer and author of telescope design
Scientists & Innovators
United States
A Chinese-American astronomer focused on promoting amateur astronomy and public outreach. Developed the Dobsonian telescope, which simplified telescope design and construction for amateur astronomers. Founded the San Francisco Sidewalk Astronomers, making stargazing accessible to the public, and encouraged the use of telescopes for recreational astronomy. Authored several books on the subject of astronomy, contributing to the education of many enthusiasts in the field.
Developed the Dobsonian telescope design
Founded the San Francisco Sidewalk Astronomers
Authored books on amateur astronomy
Served as a key figure in the Norwegian resistance against Nazi occupation during World War II. Operated with the Oslo-based group, the Norwegian Special Operations Group, focusing on sabotage missions targeting German war efforts. Participated in high-profile operations, including the sinking of the German transport ship MV Donau and the bombing of the German-controlled infrastructure in Norway. Coordinated efforts that contributed to the overall resistance movement, significantly disrupting enemy operations. After the war, became an author, documenting experiences in a widely read autobiography.
Continue ReadingServed as a prominent American lawyer and politician. Elected to the United States House of Representatives for Massachusetts in 1952, held leadership positions including Majority Leader before becoming the 55th Speaker of the House in 1977. Advocated for various policies during a career that spanned nearly four decades. Retired from Congress in 1987 and authored a memoir detailing his experiences in government. Passed away in 1994.
Continue ReadingBorn in 2000, a figure skater represented Latvia in various international competitions. Competed at the European Figure Skating Championships and the World Figure Skating Championships. Achieved success in junior competitions, showcasing skills in singles events. Demonstrated proficiency in technical elements and artistry on the ice, contributing to the growth of figure skating in Latvia.
Continue ReadingAn American computer scientist and naval officer contributed to the development of computer programming languages. Developed the COBOL programming language, which became widely used in business applications. Served as a Commodore in the U.S. Navy Reserve, advancing through the ranks and providing guidance on computer technology and education. Hopper received numerous awards for contributions to computing, including the National Medal of Technology and Innovation.
Continue ReadingAn activist involved in the labor movement, played a significant role in the early 20th-century communist movement in the United States. Founded the Communist League of Struggle, which aimed to unite and organize workers under communist principles. Engaged in political education and organizing efforts throughout the 1930s and 1940s. The organization worked to address worker rights and advocated for socialist policies during a time of economic hardship in the U.S.
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Continue ReadingA Canadian-Dominican priest and sociologist contributed significantly to the field of sociology in Canada and the Caribbean. Over a career spanning several decades, focused on linking sociological theory with practical applications in social justice and community development. Worked extensively in education and published works examining social issues. Became the first trained sociologist in Canada, advocating for sociological education and its relevance to social change. Established research programs and encouraged the integration of sociology into Canadian universities.
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Continue ReadingBorn in 1908, a Chinese general and politician served as Vice Premier of the People's Republic of China. Involved in various military campaigns during the Chinese Civil War, played a significant role in establishing the communist regime in China. Held several important government positions and contributed to the economic policies of the nation during the 1950s and 1960s. His political career spanned several decades, influencing both military and civil governance in the country.
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