Samuel Pierpont Langley
Physicist and astronomer, invented the radiometer
Physicist and astronomer, invented the radiometer
1906
120 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
Became the first King of Serbia in 1882 after serving as Prince. Led Serbia during the Serbian-Turkish War and expanded territories, achieving significant victories. His reign was marked by modernization and centralization of the state. Abdicated in 1889 amid political challenges and personal conflicts. Lived in exile until his death in 1901.
Continue ReadingA 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 a soldier during World War I, contributing to various campaigns. Post-war, pursued a career in law enforcement, working for the police force in Australia. Demonstrated commitment to duty and the community during both military and policing careers.
Continue ReadingCompeted in various endurance racing events and participated in notable races such as the 24 Hours of Le Mans. Achieved success in the European Le Mans Series with significant performances. Also raced in the FIA World Endurance Championship. Has been involved in GT racing, driving for teams in high-profile events.
Continue ReadingA Canadian-American computer scientist and academic who contributed significantly to the field of electron microscopy. Co-invented the first practical electron microscope in the 1930s, which transformed the ability to observe the ultra-structure of materials and biological samples. The development of this microscope represented a major advancement in imaging technology.
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.
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