Henrietta Swan Leavitt
American astronomer studying Cepheid variables
Born
July 4th, 1868
157 years ago
Died
December 12th, 1921
103 years ago — 53 years old
Category
Scientists & Innovators
Country
United States
Links & References
An American astronomer and academic contributed significantly to the field of astronomy through research on variable stars, specifically Cepheid variables. Developed a method to determine distances to far-off galaxies using the relationship between a Cepheid's luminosity and its pulsation period. This work laid the foundation for later discoveries regarding the expansion of the universe. Worked at the Harvard College Observatory, where many female astronomers operated under the title of 'computers', analyzing star data and making crucial astronomical advancements during the late 19th and early 20th centuries.
Developed the period-luminosity relationship for Cepheid variables
Advanced techniques for measuring cosmic distances
Other People Born on July 4th
Timmie Rogers
An actor and singer-songwriter, the work in entertainment dates back to the mid-20th century. Gained attention for performances as a stand-up comedian and singer on various television shows. Made appearances in the early televised variety shows that shaped American entertainment. Contributed to the music industry with a blend of comedy and soulful performances, reflecting the era's culture. Achieved recognition in both acting and music, influencing future entertainers.
Continue ReadingPost Malone
This artist emerged onto the music scene in 2015 with the release of the single 'White Iverson.' Fusion of hip-hop and rock elements characterized the style, leading to widespread commercial success. The debut album, 'Stoney,' achieved multi-platinum status and contained hit singles such as 'Congratulations.' 'Beerbongs & Bentleys,' released in 2018, debuted at number one on the Billboard 200 and set multiple streaming records. Subsequent albums continued to explore various genres, solidifying a place in modern music. Collaborations with various artists further expanded reach and influence in the industry.
Continue ReadingEric Bedser
An English cricketer played as a right-arm medium-fast bowler and represented Surrey County Cricket Club. Achieved significant success during the 1940s and 1950s, earning a place in the English Test cricket team. Participated in 51 Test matches from 1946 to 1955. Formed a formidable bowling partnership with his twin brother during their time in cricket, contributing to the sport's history.
Continue ReadingBill Tuttle
Debuted in Major League Baseball in 1952 with the Detroit Tigers. Played as an outfielder for several teams during the 1950s and 1960s, including the Kansas City Athletics and the Chicago White Sox. Contributed to the Tigers' 1955 American League pennant victory. Finished his playing career with a .250 batting average over eleven seasons, noted for his defensive skills and speed on the field.
Continue ReadingFrancis Maude
A politician and lawyer, served as the Minister for the Cabinet Office in the United Kingdom from 2010 to 2015. Held various roles within the government, providing leadership in both policy-making and administrative functions. Played a vital role in overseeing public sector reform and implementing efficiency strategies during his tenure. Elected as a Member of Parliament for North West Hampshire since 1997, contributing to legislative actions and representing constituents' interests.
Continue ReadingRobert Hankey
Born in 1905, served in significant diplomatic roles throughout the 20th century. Contributed to international relations and policy during crucial periods, including World War II. Participated in conferences that shaped post-war Europe and worked on various governmental committees focused on diplomacy and public service.
Continue ReadingOther People Who Died on December 12th
Danny Aiello
An American actor, Aiello gained recognition for roles in several films and television shows. He starred in 'Do the Right Thing' directed by Spike Lee, where he portrayed Salvatore. Other notable appearances include 'Moonstruck' and 'Jacob's Ladder'. Aiello also appeared in numerous television series throughout his career. His work spanned over four decades, and he was appreciated for his character-driven performances. Aiello received an Academy Award nomination for Best Supporting Actor for his role in 'Do the Right Thing'. His contributions to film and television established him as a respected figure in the entertainment industry.
Continue ReadingRaymond Radiguet
An influential French author and poet. Best recognized for the novel 'The Devil in the Flesh', which explores themes of love and desire during World War I. Radiguet's writings often reflected the complexities of youth and the impact of war on society. His literary career, although brief, garnered significant attention for its emotional depth and stylistic innovation. Radiguet's work is noted for its exploration of personal and societal conflicts amid the backdrop of historical events.
Continue ReadingEvelyn S. Lieberman
Served as Deputy Chief of Staff in the Clinton administration, overseeing operations and communications. Held positions within the Democratic National Committee, contributing to campaign strategies. Served as a director for the National Park Service, focusing on policy and administration.
Continue ReadingMenelik II
Ascended to the throne in 1889, held the title of Emperor of Ethiopia and played a pivotal role in modernizing the country. Fought against Italian colonization, leading Ethiopian forces to a decisive victory at the Battle of Adwa in 1896, which secured Ethiopian sovereignty. Focused on expanding Ethiopian territory and implementing reforms in governance and infrastructure, including the construction of roads and railways. His reign marked a significant period in Ethiopian history, characterized by territorial consolidation and diplomatic engagement with European powers.
Continue ReadingThorleif Haug
Achieved prominence in skiing during the early 20th century. Competed in the 1924 Winter Olympics in Chamonix, where excelled in cross-country skiing events. Secured three gold medals, marking a significant achievement in Olympic skiing history.
Continue ReadingVan Johnson
This individual was an American actor whose career spanned several decades, particularly during the 1940s and 1950s. Starred in films like 'A Guy Named Joe' and 'The Daring Young Man on the Flying Trapeze', and became a popular figure in the film industry. Transitioned successfully to television, appearing in shows such as 'The Name of the Game' and 'Airport'. His charming on-screen presence and strong performances earned significant recognition during his lifetime.
Continue Reading