Jolanda Keizer
Dutch heptathlete and Olympic competitor
Competed in heptathlon, representing the Netherlands at various international athletics events. Achieved notable success at the 2012 Olympics in London, finishing in the top ten. Excelled in multiple disciplines of track and field, including the 100 meters hurdles and long jump. Also participated in the World Championships and European Championships, earning medals and setting personal bests throughout the career.
Finished 8th in heptathlon at the 2012 Olympics
Competed in the World Championships
Earned medals at European Championships
Other People Born on April 5th
Thomas Hobbes
Philosopher and author of Leviathan
Born
April 5th, 1588 437 years ago
Died
December 4th, 1679 346 years ago — 91 years old
An English philosopher, contributed significantly to political philosophy. Wrote 'Leviathan' in 1651, which outlined the social contract theory. The work argued for the necessity of a strong central authority to avoid chaos and maintain order in society. Explored themes of human nature, authority, and the relationship between individuals and the state. His ideas laid groundwork for modern political philosophy and influenced subsequent thinkers.
Continue ReadingJagjivan Ram
Indian politician, Deputy Prime Minister
Born
April 5th, 1908 117 years ago
Died
July 6th, 1986 39 years ago — 78 years old
A prominent Indian politician, served as the 4th Deputy Prime Minister of India. Played key roles in several ministries, including the Ministry of Defence and Ministry of Labour. Actively participated in India's independence movement and contributed to various social reforms, especially concerning the rights of marginalized communities. Was instrumental in shaping agricultural policies during the Green Revolution era. Held significant influence within the Indian National Congress before later forming his own political party.
Continue ReadingEmmanuel Célestin Suhard
French Catholic Cardinal and theologian
Born
April 5th, 1874 151 years ago
Died
May 30th, 1949 76 years ago — 75 years old
Served as a cardinal in the Catholic Church, focused on pastoral care and religious education. Held the position of Archbishop of Paris from 1940 until death in 1949. Actively participated in ecclesiastical discussions during World War II, where the Church faced challenges related to the occupation. Advocated for the Church's role in society and its mission to support the faithful amid adversity.
Continue ReadingSergey Chaplygin
Physicist and mathematician in fluid mechanics
Born
April 5th, 1869 156 years ago
Died
October 8th, 1942 83 years ago — 73 years old
Specialized in theoretical fluid mechanics and gas dynamics, made significant contributions to the mathematical description of airflows and fluid behavior. Developed the Chaplygin gas model, which is integral to cosmology and the understanding of dark energy. Worked as a professor at several universities, influencing future generations of engineers and physicists. Contributed to the field of aerodynamics through research and publication, particularly during the early 20th century.
Continue ReadingMatthias Jakob Schleiden
German botanist, cell theory co-founder
Born
April 5th, 1804 221 years ago
Died
June 23rd, 1881 144 years ago — 77 years old
A significant figure in plant biology, contributions included the formulation of the cell theory alongside Theodor Schwann. Conducted extensive research on plant tissues and proposed that all plant structures originate from cells. Published influential works and engaged in discussions that shaped botanical science in the 19th century.
Continue ReadingBianca Maria Sforza
Holy Roman Empress
Born
April 5th, 1472 553 years ago
Died
December 31st, 1510 514 years ago — 38 years old
Born into the Sforza family, she became Holy Roman Empress through marriage to Maximilian I. This union connected powerful dynasties in Europe. Her life spanned the Renaissance, a time of cultural and political change. She experienced significant events including court intrigues and familial alliances. Despite challenges in her marriage and health, she contributed to the Habsburg legacy through her offspring, cementing ties between influential families in Europe.
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