Pietro Cataldi
Italian mathematician and astronomer
Contributed to mathematics and astronomy during the Renaissance. Developed the theory of proportionality and made advancements in astronomical calculations. Emphasized the importance of geometrical principles in mathematical study. Published significant works that influenced later scholars in the field of mathematics.
Developed theories on proportions
Published astronomical calculations
Other People Born on April 15th
Kenneth Lay
Businessman and Enron CEO
Born
April 15th, 1942 83 years ago
Died
July 5th, 2006 19 years ago — 64 years old
Born in 1942, a prominent American businessman served as the CEO and chairman of Enron Corporation, an energy company based in Houston, Texas. Lay played a crucial role in the company's rapid growth in the 1990s, promoting innovative energy trading and deregulation. Under his leadership, Enron's stock skyrocketed, making it one of the largest companies in the United States. However, amid accounting scandals, Enron filed for bankruptcy in 2001, marking one of the largest bankruptcies in U.S. history. Lay faced criminal charges related to securities fraud and conspiracy, though he died before the trial concluded.
Continue ReadingÉtienne Geoffroy Saint-Hilaire
French biologist and zoologist
Born
April 15th, 1772 253 years ago
Died
June 19th, 1844 181 years ago — 72 years old
A prominent figure in the field of biology, contributions included the development of a theory of morphological unity among animals. Pioneered the study of comparative anatomy and established connections among various species. A founding member of the Société Zoologique de France, significant engagements included work on the classification of organisms and the impact of environment on biological development. Collaborated with notable contemporaries in scientific advancements.
Continue ReadingRobert W. Gore
Engineer, co-inventor of Gore-Tex
Born
April 15th, 1937 88 years ago
Died
September 17th, 2020 5 years ago — 83 years old
An American engineer and businessman, contributed significantly to materials science. Co-invented Gore-Tex, a waterproof and breathable fabric, in 1969, which revolutionized the outdoor apparel industry. The innovation led to the establishment of W. L. Gore & Associates, a company focused on advanced materials and technology. Under leadership, the company expanded its product offerings and became a major player in various fields, including medical devices and electronics. The work in polymer technology extended beyond textiles to applications in industrial and consumer products.
Continue ReadingGuru Nanak
First Sikh Guru and founder of Sikhism
Born
April 15th, 1469 556 years ago
Died
September 22nd, 1539 486 years ago — 70 years old
Began spiritual teachings in the late 15th century, establishing the principles of Sikhism. Emphasized the importance of one God, equality of all people, and community service. Travelled extensively across South Asia to spread messages of love and compassion. Compiled hymns and teachings that were later included in the Guru Granth Sahib, the holy scripture of Sikhism. Founded the city of Kartarpur, which became an important center for Sikh worship.
Continue ReadingMichael Ansara
Actor known for 'Outer Limits' and 'Star Trek'
Born
April 15th, 1922 103 years ago
Died
July 31st, 2013 12 years ago — 91 years old
Born in Syria, became an American actor. Gained prominence after roles in prominent television series during the 1960s. Portrayed Kang in the 'Star Trek' franchise, making a significant mark in science fiction television. Appeared in the series 'Broken Arrow' as well as numerous roles in film and television throughout a career spanning several decades. Contributed voice work to various animated series and video games, showcasing versatility in different mediums.
Continue ReadingA. Philip Randolph
Labor leader and civil rights activist
Born
April 15th, 1889 136 years ago
Died
May 16th, 1979 46 years ago — 90 years old
A prominent labor leader and civil rights activist, contributions included organizing the Brotherhood of Sleeping Car Porters, the first predominantly African American labor union. Played a significant role in the 1963 March on Washington for Jobs and Freedom, rallying support for civil rights and economic justice. Advocated for the rights of workers and promoted racial equality throughout a lengthy career in social justice activism. Helped to foster alliances between labor unions and civil rights organizations, enhancing cooperation in the fight for equality.
Continue ReadingOther People Who Died on February 11th
Ellen Day Hale
American painter and author
Born
February 11th, 1855 170 years ago
Died
February 11th, 1940 85 years ago — 85 years old
Born in 1855, this individual was a prominent American painter and author whose works often incorporated themes of nature and femininity. Studied under various esteemed artists and exhibited widely across the United States, including at the Pennsylvania Academy of the Fine Arts. Also contributed to literature through writings that detailed artistic life and practices. She was part of the artistic community in Boston and later settled in New York, where involvement in the Women's Suffrage Movement also characterized her later years.
Continue ReadingRick Huxley
English bass player with The Dave Clark Five
Born
August 5th, 1940 85 years ago
Died
February 11th, 2013 12 years ago — 72 years old
A bass player contributed significantly to the British rock band The Dave Clark Five during the 1960s. The group achieved substantial success with chart-topping hits and became a prominent act during the British Invasion. The band is credited with bringing rhythm and blues influences to mainstream pop. Huxley's musical style and creativity were integral to the band's sound, which helped solidify their place in music history. The band remained active into the late 1970s, leaving a legacy that resonates with fans and musicians alike.
Continue ReadingMilan I of Serbia
King of Serbia, established monarchy
Born
August 22nd, 1854 171 years ago
Died
February 11th, 1901 124 years ago — 46 years old
Became the first King of Serbia in 1882 after serving as Prince. Led Serbia during the Serbian-Turkish War and expanded territories, achieving significant victories. His reign was marked by modernization and centralization of the state. Abdicated in 1889 amid political challenges and personal conflicts. Lived in exile until his death in 1901.
Continue ReadingAlice Babs
Swedish singer and actress in musicals
Born
January 26th, 1924 101 years ago
Died
February 11th, 2014 11 years ago — 90 years old
Became a prominent figure in Swedish music and acting during the 20th century. Rose to fame as a singer and starred in several notable films and stage productions. Participated in the Eurovision Song Contest in 1958, representing Sweden. Worked with numerous artists and contributed to the cultural scene in Sweden through performances in various genres, including jazz and folk music.
Continue ReadingKen Fletcher
Australian tennis player with doubles titles
Born
1940 85 years ago
Died
February 11th, 2006 19 years ago — 66 years old
Achieved significant success in tennis, particularly in men's doubles competitions. Won the Australian Open men's doubles title in 1965 alongside his partner. Competed in various Grand Slams, showcasing talent on both grass and hard courts. Contributed to the sport in various capacities after retirement, including coaching and mentoring younger players.
Continue ReadingLouis Beel
Dutch politician and Prime Minister
Born
April 12th, 1902 123 years ago
Died
February 11th, 1977 48 years ago — 74 years old
Served as Prime Minister of the Netherlands from 1958 to 1963. Held various positions within the government, including Minister of Education, Arts, and Sciences. Actively participated in the development of Dutch education policy during his tenure. Contributed to post-war reconstruction efforts in the Netherlands.
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