Samuel Pierpont Langley
Physicist and astronomer, invented the radiometer
Physicist and astronomer, invented the radiometer
1906
119 years ago — 72 years old
Scientists & Innovators
United States
Born in 1834, significant contributions included studies in astronomy and physics. Developed a reputation for expertise in aerodynamics, particularly with his work on powered flight. Served as the director of the Smithsonian Institution from 1887 until death in 1906. His early experiments in aviation and the development of the Langley Aerodrome marked essential steps in the advancement of aeronautics. Conducted extensive research in optics and the behavior of solar radiation.
Invented the first successful radiometer
Launched the unmanned Langley Aerodrome
Served as the 3rd Secretary of the Smithsonian Institution
A footballer and manager, played as a midfielder. Started professional career with FC Groningen. Played for clubs including Ajax, where won the Eredivisie and KNVB Cup. Had a successful tenure with the Netherlands national team, earning several caps. Transitioned to coaching after retirement, managing various clubs in Dutch football.
Continue ReadingServed as the 7th General of The Salvation Army from 1963 until retirement in 1974. Held a prominent leadership role within the organization, guiding its mission and initiatives during a period of significant change. Focused on expanding outreach to communities in need and strengthening the organization's global presence. Oversaw various programs aimed at social welfare and spiritual support, and promoted the core principles of the Salvation Army.
Continue ReadingA poet and novelist contributed significantly to French literature in the 17th century. Worked in the literary circles of Paris and engaged with contemporary writers. Authored several works, with a blend of poetry and prose characteristics of the period. Emphasized themes of love and nature in writings, reflecting the style of the time. Served as an intellectual figure aligning with the literary trends and movements influencing France.
Continue ReadingA prominent Chinese politician, held various roles in the government including Vice Premier and paramount leader during a significant reform period. Instrumental in China's economic reforms, aimed at transitioning from a command economy to a socialist market economy. Oversaw the introduction of policies that encouraged foreign investment and innovation, leading to rapid economic growth. Played a crucial role in the establishment of Special Economic Zones, transforming China's economy and global standing. His governance included a commitment to modernization and opening up the country.
Continue ReadingAn American football wide receiver, celebrated for contributions to the Minnesota Vikings in the National Football League (NFL). A standout from Minnesota State University, Mankato, achieved notable success after joining the Vikings as an undrafted free agent in 2013. Gained attention for his impressive route running and reliable hands, contributing significantly to the team's offense during crucial games. Played an integral role in the Vikings' journey to the NFC Championship Game during the 2017 season, finishing with over 1,000 receiving yards and earning a Pro Bowl selection as recognition of exceptional performance.
Continue ReadingServed as a jurist and politician in Germany. Held the position of Minister for Foreign Affairs during a critical period in German history. Participated in diplomatic negotiations and contributed to the foreign policy decisions of the German government. Played a significant role in the administration during and after World War II, navigating complex international relations. Involved in governmental discussions that shaped post-war policies.
Continue Reading