Paul Du Chaillu
Anthropologist and zoologist, explorer
Contributed to the understanding of African cultures and wildlife. Conducted extensive explorations in Equatorial Africa, bringing back significant information and specimens. Published works on gorillas, which spurred interest in primate studies, including 'Explorations and Adventures in Equatorial Africa'. Engaged in debates regarding the existence of gorillas and played a role in disseminating knowledge about the region's biodiversity and indigenous peoples.
Conducted pioneering explorations in Africa
Wrote 'Explorations and Adventures in Equatorial Africa'
First to write about gorillas in depth
Other People Born on July 31st
Daniel Ciofani
Italian footballer with Frosinone
Born
July 31st, 1985 40 years ago
Played professional football primarily as a forward, with notable contributions to the Italian football league. Achieved success with Frosinone Calcio, helping the team secure promotion to Serie A during the 2014-2015 season. Participated in multiple seasons of Serie B and exhibited consistent scoring ability. Also contributed to the team's defensive play, demonstrating versatility on the field.
Continue ReadingS. S. Kresge
Businessman, founder of Kmart
Born
July 31st, 1867 158 years ago
Died
1966 60 years ago — 99 years old
Founder of Kmart, a discount store chain, established Kresge & Company in 1899. Expanded the business into a national chain, which became a significant competitor in the retail market. Kmart revolutionized discount retailing by offering a wide range of products at lower prices. The first Kmart store opened in 1962, marking the company as a key player in the retail industry.
Continue ReadingRémy Di Gregorio
French professional road cyclist
Born
July 31st, 1985 40 years ago
Professional road cyclist achieved prominence in the sport through participation in several prestigious races. Competed in the Tour de France, showcasing endurance and skill. Raced for various teams during career, contributing to team efforts in major cycling events.
Continue ReadingAlan Autry
Football player and Mayor of Fresno
Born
July 31st, 1952 73 years ago
Played quarterback in the National Football League for the Green Bay Packers and the Buffalo Bills. Transitioned to acting with a prominent role in the CBS series 'In the Heat of the Night'. Served as the 23rd Mayor of Fresno, California from 2001 to 2009. Engaged in various community projects and initiatives during tenure as mayor.
Continue ReadingA. J. Green
Professional American football player
Born
July 31st, 1988 37 years ago
Played as a wide receiver in the National Football League (NFL) for the Cincinnati Bengals and Arizona Cardinals. Achieved multiple Pro Bowl selections during a successful career. Demonstrated exceptional skill with significant contributions to his teams' offensive strategies. Renowned for his ability to make remarkable catches and create separation from defenders. The player retired with impressive career statistics, including over 700 receptions and more than 10,000 receiving yards.
Continue ReadingRobert C. Merton
Economist and Nobel Prize laureate
Born
July 31st, 1944 81 years ago
Significant contributions to financial economics. Developed the Black-Scholes model for option pricing alongside Fischer Black and Myron Scholes, earning a Nobel Prize in Economic Sciences in 1997. Contributed to the development of risk management techniques and dynamic asset allocation strategies. Held academic positions at renowned institutions, including Massachusetts Institute of Technology and Harvard University. Published numerous influential papers and books in finance, shaping the understanding of derivative instruments and market behavior.
Continue ReadingOther People Who Died on April 29th
R. Vidyasagar Rao
Indian bureaucrat and political activist
Born
1939 87 years ago
Died
April 29th, 2017 8 years ago — 78 years old
Served as the Governor of Madhya Pradesh and Maharashtra in India. Held various positions in the Indian government during a lengthy career in public service. Engaged in numerous initiatives for social welfare and education. Actively involved in the development of policies aimed at poverty alleviation and empowerment of marginalized sections of society. Played a significant role in state politics and governance.
Continue ReadingMichael Martin
Scottish politician, Speaker of the House
Born
July 3rd, 1945 80 years ago
Died
April 29th, 2018 7 years ago — 72 years old
Baron Martin of Springburn served as Speaker of the House of Commons from 2000 to 2009. Represented the constituency of Glasgow North East in Parliament from 1979 to 2009. Played a significant role in guiding debates and maintaining order in the House. Oversaw various significant legislative sessions during tenure, including debates on high-profile issues such as the Iraq War and economic crises.
Continue ReadingWilliam Babington
Anglo-Irish physician and mineralogist
Born
May 21st, 1756 269 years ago
Died
April 29th, 1833 192 years ago — 76 years old
Contributed to the field of mineralogy and medicine during the early 19th century. Worked as a physician and was involved in scientific research. Published significant findings in the field of mineralogy and is credited with enhancing the understanding of various minerals and their applications. Engaged in the study of geological formations and their properties. Involved with the Royal Society, influencing the scientific community of the time.
Continue ReadingLudwig Wittgenstein
Philosopher and author of 'Tractatus'.
Born
April 26th, 1889 136 years ago
Died
April 29th, 1951 74 years ago — 62 years old
Born in 1889, a philosopher and academic contributed significantly to the philosophy of language and the philosophy of mind. Authored 'Tractatus Logico-Philosophicus', a major work that outlines a theory of meaning based on logical structure. Later, worked on 'Philosophical Investigations', which challenged conventional views on meaning and language. Engaged with topics such as the nature of certainty, rule-following, and linguistic practices, influencing various fields including philosophy, linguistics, and cognitive science.
Continue ReadingAlfred Hitchcock
Film director and producer of thrillers
Born
August 13th, 1899 126 years ago
Died
April 29th, 1980 45 years ago — 80 years old
A prominent film director and producer, contributed significantly to the suspense and thriller genres. Directed classic films such as 'Psycho', 'Rear Window', and 'North by Northwest'. Developed a distinctive style characterized by innovative camera techniques and complex narratives. Pioneered the use of music and sound in film to enhance emotional tension.
Continue ReadingAlbert Hofmann
Swiss chemist who discovered LSD
Born
January 11th, 1906 120 years ago
Died
April 29th, 2008 17 years ago — 102 years old
A prominent Swiss chemist and academic, contributed significantly to the field of pharmaceuticals. Synthesized lysergic acid diethylamide (LSD) in 1938 while working at Sandoz Laboratories. First ingested LSD personally in 1943, leading to the discovery of its psychedelic effects. Conducted further research on hallucinogenic substances and their potential therapeutic uses. Authored several books on psychedelic substances and their implications in psychology and culture.
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