Sydney Chapman
Mathematician and geophysicist

Born
January 29th, 1888
137 years ago
Died
June 16th, 1970
54 years ago — 82 years old
Category
Scientists & Innovators
Country
United Kingdom
Links & References
Contributions to mathematics and geophysics included significant work on the theory of the upper atmosphere and the interaction of the solar wind with the Earth's magnetosphere. Developed the Chapman function, extensively applied in atmospheric science. Also, researched the conditions and theories related to the stratosphere and ionosphere.
Developed the Chapman function
Conducted research on the upper atmosphere
Contributed to the understanding of solar wind interaction with Earth's magnetosphere
Other People Born on January 29th
Katharina von Bora
Born in 1499, a nun who fled her convent, later married Martin Luther in 1525. She managed the household and raised six children. Played a significant role in the Reformation, supporting her husband's work and promoting his ideas. Demonstrated financial acumen in managing the family's household and properties, contributing to their stability amid the tumultuous changes of the Reformation. Katharina became a prominent figure in the movement, exemplifying the role of women in the Reformation and offering a model of partnership in marriage. Died in 1552, leaving a lasting legacy in religious history.
Continue ReadingJoel Eriksson Ek
A professional ice hockey player born in Sweden, played as a center in the National Hockey League (NHL) for the Minnesota Wild. Drafted in the second round by the Wild in the 2015 NHL Entry Draft, Eriksson Ek made his NHL debut during the 2016-17 season. He established himself as a key player for the team, known for his two-way play and contributions to both offensive and defensive strategies. He played a vital role in helping the Wild reach the playoffs during his tenure with the team.
Continue ReadingJohn Serry Sr.
A prominent accordionist and composer among Italian-Americans, one significant achievement includes contributions to American music through the accordion. His compositions often blended traditional Italian music with contemporary styles. He performed at various events, showcasing the accordion's versatility and skill. Over the course of a long career, engagement with music education helped inspire new generations of musicians.
Continue ReadingFlorida Ruffin Ridley
Born in 1861, this individual became a significant figure in the civil rights movement, actively working to advance the rights of African Americans. This individual was a dedicated educator, contributing to the teaching of Black students during a time of considerable inequality. As an editor and writer, produced various works highlighting the struggles and achievements of African Americans. This individual played a crucial role in the establishment of organizations aimed at advocating for social justice and improving education.
Continue ReadingJuhan Aavik
Birth occurred in 1884, leading to a career as a composer and conductor. Contributions to Estonian music included creating several symphonies, choral works, and chamber music. Aavik studied in both Estonia and abroad, gaining expertise that influenced his compositions. He worked to promote Estonian music and often incorporated folk elements into his works. His leadership in musical institutions helped develop the Estonian music scene, and he served as a conductor for various ensembles throughout his career.
Continue ReadingJohn Raitt
An American actor and singer, recognized for contributions to the musical theater scene, particularly during the mid-20th century. Starred in original productions of notable musicals such as 'Oklahoma!' and 'Carousel'. Worked extensively in both Broadway and television, delivering memorable performances that showcased a powerful voice and dynamic stage presence. Influenced many performers in the musical genre and left a lasting legacy in theater.
Continue ReadingOther People Who Died on June 16th
Thanom Kittikachorn
Served as the 10th Prime Minister of Thailand, holding office from 1963 to 1973. His tenure was marked by military influence and significant political unrest, culminating in the student-led uprising that led to his resignation. Kittikachorn played a prominent role in developing Thailand's military and governance system during a period defined by Cold War tensions in Southeast Asia. Following his resignation, he lived in exile for over a decade before returning to Thailand in 1980.
Continue ReadingJohannes Tauler
A prominent mystic and theologian from Germany, this figure significantly contributed to the development of mysticism in the 14th century. Active during the period of the Holy Roman Empire, teachings focused on a personal and experiential connection with God. Associated with the Dominican Order, provided sermons and spiritual guidance that emphasized inner spirituality over external rituals. His work helped lay the groundwork for later mystics and spiritual writers within the Christian tradition. Many writings, particularly sermons, influenced the mystical discourse of the time, underscoring the importance of self-knowledge and divine love.
Continue ReadingAdam de Brome
Established Oriel College in Oxford in 1326, contributing to the academic framework of the university. Played a significant role in the development of higher education during the medieval period. Served as the first president of the college, overseeing its early years and laying the foundation for its future growth.
Continue ReadingBramwell Booth
Served as the second General of The Salvation Army from 1929 until death. Extended the organization's reach and influence, focusing on social services and evangelism. Guided efforts in expanding operations internationally, particularly in India and the United States. His leadership emphasized practical assistance for the poor and marginalized, demonstrating a commitment to addressing social issues through faith-based initiatives.
Continue ReadingHugh de Balsham
Hugh de Balsham served as the Bishop of Ely from 1257 until his death in 1286. He played a significant role in the administration and development of Ely Cathedral. His tenure saw the continued architectural development of the cathedral, which included enhancements to its structure and aesthetic appearance. Balsham was involved in various ecclesiastical and administrative matters of the diocese, contributing to the religious and social landscape of the region.
Continue ReadingMel Allen
A prominent sportscaster, associated with baseball broadcasting. Served as the chief announcer for the New York Yankees from 1939 to 1964. Known for his distinctive voice and catchphrases, he provided commentary for numerous World Series and All-Star Games. Contributed to the growth of sports broadcasting, becoming a beloved figure among fans. Worked for various networks, including CBS and NBC, and had a significant role in the production of sports programming.
Continue Reading