Thomas Midgley Jr.
Chemist and engineer; inventor of leaded gasoline
Chemist and engineer; inventor of leaded gasoline
Scientists & Innovators
United States
Contributed significantly to chemistry and engineering as an American chemist and engineer. Developed leaded gasoline in the 1920s, which was widely used as a fuel to reduce engine knocking. Later, invented chlorofluorocarbons (CFCs) for refrigeration and air conditioning, which became widespread due to their efficiency. The environmental impacts of these inventions were recognized later, leading to significant changes in policies and practices regarding fuel and refrigerants.
Invented leaded gasoline
Developed chlorofluorocarbons (CFCs)
A composer and playwright created the Broadway musical The Music Man, which premiered in 1957. The show followed a con man named Harold Hill who posed as a band leader in a small Iowa town. Willson also wrote the successful musical-notes for several other works, including The Unsinkable Molly Brown. His background in music, as a conductor and musician, greatly influenced his creative output and compositional style. Willson's contributions to the arts have been recognized through numerous awards including Tony Awards for his work. His legacy continues through the enduring popularity of The Music Man, which remains a staple in theater productions worldwide.
Continue ReadingServed as the 10th Taoiseach of Ireland from 1994 to 1997. Held the position of leader of the Fine Gael party during this time. Played a significant role in the negotiations leading to the Good Friday Agreement, which aimed to address issues of governance in Northern Ireland. Held various positions in the Irish government, including Minister for Finance and Minister for Industry and Commerce.
Continue ReadingBorn in 1948, a prominent country and gospel singer. Became a member of the musical group Oak Ridge Boys in 1973, contributing to the band’s signature harmonies and style. The group achieved widespread recognition and success, including several Grammy Awards, including Best Country Performance by a Duo or Group with Vocal in 1981 for the hit song "Elvira." The Oak Ridge Boys also earned numerous Country Music Association Awards and were inducted into the Gospel Music Hall of Fame. Besides music, engaged in writing and authored books reflecting personal experiences.
Continue ReadingServed as the 16th President of Brazil from 1946 to 1951. Prior to the presidency, a significant military career included participation in World War II. Implemented extensive economic reforms aimed at modernization and industrialization in Brazil. Led a government that promoted democratic values following the Vargas Era. His administration focused on infrastructure development and improving education.
Continue ReadingAn English rock climber and mountaineer, gained recognition for significant ascents in the 1950s and 1960s. Participated in notable climbs in the Himalayas, including an attempt on Kangchenjunga in 1976. Contributed to the development of climbing techniques and equipment during a transformative period in the sport. Often associated with the spirit of adventure and pioneering climbing routes in the UK and abroad.
Continue ReadingA soldier and author, contributed significantly to the science fiction genre through imaginative narratives and creative world-building. Gained prominence with the 'Berserker' series, which explored themes of artificial intelligence and conflict across galaxies. Other notable works include 'The Lost Swords' series and collaborations with fellow authors on anthologies and novels. His stories often featured intricate plots and philosophical dilemmas, appealing to a wide audience of science fiction enthusiasts.
Continue ReadingAmerican photographer and academic specialized in color nature photography. Played a significant role in the conservation movement through stunning images that highlighted the beauty of natural landscapes. Published numerous books, including 'In Wildness Is the Preservation of the World' which featured landscapes of the American wilderness and advocated for environmental preservation. Worked closely with notable organizations such as the Sierra Club, helping to promote conservation through visual media.
Continue ReadingGozzadini was an influential figure in the development of legal education in medieval Italy. Serving as a professor of law at the University of Bologna, she played a pivotal role in the academic community. Through her teachings, she contributed to the reform and expansion of legal studies during the 13th century. Gozzadini's reputation extended beyond her university, as she attracted many students interested in mastering civil and canon law, laying foundations for future legal scholars.
Continue ReadingPerformed extensively in the English theatre during the late 19th and early 20th centuries, particularly noted for roles in Shakespearean productions. Gained recognition for performances in classics such as 'Othello' and 'The Merchant of Venice'. Transitioned to silent films in the early 20th century, bringing stage expertise to the silver screen. Had a significant presence in theatrical circles and contributed to the growth of performance art during this period. Remained active in the theatre scene until his death.
Continue ReadingBorn in Sweden, this celebrated soprano gained prominence in the 19th century for remarkable performances in opera, particularly in roles such as the title character in 'Lucia di Lammermoor'. Recognized for her exceptional vocal ability, she undertook extensive tours in Europe and America, captivating audiences with her distinct style and emotive interpretations. Additionally, she starred in various concerts and was dubbed the 'Swedish Nightingale' due to her immense talent and popularity.
Continue ReadingBorn in 1903, this French race car driver gained recognition for his success in sports car racing during the mid-20th century. Veyron drove for Bugatti, where he achieved significant victories, including winning the 1939 24 Hours of Le Mans. His exceptional skills behind the wheel contributed to Bugatti's prominence in motorsports. Veyron's accomplishments in racing showcased his talent and expertise in handling high-performance vehicles on challenging tracks.
Continue ReadingA professional baseball player and manager who played as a pitcher in Major League Baseball. Played for the New York Yankees, Brooklyn Dodgers, and other teams. Managed the New York Yankees and the Kansas City Royals. In the front office, contributed to baseball operations for several teams, enhancing player development and talent evaluation.
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