Harold Jeffreys
Mathematician and geophysicist
Mathematician and geophysicist
1989
37 years ago — 98 years old
Scientists & Innovators
United Kingdom
An English mathematician, geophysicist, and astronomer contributed significantly to the fields of geophysics and applied mathematics. Developed the Jeffreys-Bullen model of the Earth's interior structure, which became crucial for understanding seismic waves. Authored several influential texts, including 'Theory of Probability' and 'Earth's Interior'. Served as a professor at the University of Cambridge. Worked on various topics including fluid dynamics and astrophysics.
Developed the Jeffreys-Bullen model
Authored 'Theory of Probability'
Contributed to fluid dynamics
An entrepreneur and activist dedicated to promoting veganism, worked to raise awareness about plant-based diets and their benefits. Founded initiatives to support vegan businesses and encourage sustainable food practices. Engaged in various campaigns focusing on animal rights and environmental sustainability. Collaborated with organizations to create educational resources about the impact of veganism on health and the planet.
Continue ReadingPlayed as a goaltender in the National Hockey League (NHL) for the Vancouver Canucks, New York Rangers, and Tampa Bay Lightning. Transitioned to coaching after retirement. During playing career, established a reputation for his skills and resilience in high-pressure matches. Later served as a goaltending coach at various levels of the sport.
Continue ReadingAn English cricketer who has contributed significantly in the women's game. Primarily a batter, she has represented England in various formats, including One Day Internationals (ODIs) and Twenty20 Internationals (T20Is). Wyatt achieved recognition for her exceptional performance in T20 cricket, becoming a prominent figure in domestic leagues as well, including participation in the Women's Big Bash League. Additionally, she was part of the England team that reached the finals of the ICC Women's World Cup in 2017.
Continue ReadingA mathematician contributed significantly to number theory and mathematical analysis, establishing the Bohr-Mollerup theorem regarding the Gamma function. As a footballer, participated in the Danish national team, competing in the 1908 Summer Olympics. Additionally, held important academic positions, including a professorship at the University of Copenhagen, where exerted influence in mathematics until passing in 1951.
Continue ReadingStarted professional career in Brazil with Esporte Clube Bahia. Moved to Europe to play for Benfica, winning the Primeira Liga and the Taça da Liga. Transferred to Chelsea FC, where he contributed to winning the UEFA Champions League in 2012 and the Premier League title in 2015. Had a successful return to Chelsea in 2019 and played for Arsenal FC. Represented Brazil in multiple international tournaments, including the FIFA World Cup.
Continue ReadingPlayed primarily as an attacking midfielder, having a successful career in both club and international football. Started professional career with Pécsi Munkás and later played for teams such as Ferencvárosi TC and West Bromwich Albion. Contributed to the Hungarian national team, earning over 100 caps. Played in major tournaments including the UEFA European Championship. Transitioned to management after retirement, focusing on youth teams and player development.
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