Arthur Jeffrey Dempster
Physicist known for mass spectrometry

Born
August 14th, 1886
138 years ago
Died
1950
75 years ago — 64 years old
Category
Scientists & Innovators
Country
Canada
Links & References
Born in 1886, a physicist and academic focused on nuclear physics and analytical chemistry. Developed the Dempster mass spectrometer, which significantly advanced the field of mass spectrometry. Contributed to the understanding of isotopes and their applications in various fields. Had a long tenure at the University of Chicago, influencing future generations of scientists through both research and teaching.
Developed the Dempster mass spectrometer
Contributed to research on isotopes
Other People Born on August 14th
Earl Weaver
Managed the Baltimore Orioles from 1968 to 1982 and again in 1985. Led the team to four American League pennants and a World Series championship in 1970. Developed a reputation for strategic thinking, particularly in the areas of defense and pitching. Inducted into the Baseball Hall of Fame in 1996, reflecting a successful career as both a player and a manager.
Continue ReadingRichard Freitag
Competed in ski jumping events, achieving significant success in the FIS Ski Jumping World Cup. Participated in multiple World Championships and Olympic Games, representing Germany. Secured several podium finishes throughout the World Cup seasons, showcasing consistent performance and skill in the sport.
Continue ReadingRaoul Bova
Born in 1971, this individual is an Italian actor, producer, and screenwriter. Gained recognition through performances in the film 'Come te nessuno mai' and starred in 'The Tourist' alongside Johnny Depp and Angelina Jolie. Achieved popularity in Italian television with the series 'Carabinieri.' In addition to acting, ventured into producing and screenwriting. Worked on various Italian film productions, contributing to the national cinema landscape.
Continue ReadingPope Pius VII
Served as the pope from 1800 until death in 1823. Led the Catholic Church during the tumultuous period of the Napoleonic Wars. Restored the papacy's authority after being imprisoned by Napoleon. Extended church influence in Europe and re-established the Jesuits after their suppression in 1773.
Continue ReadingLee Hoffman
An American author and editor, contributed significantly to the science fiction genre. Worked as an editor for notable magazines, shaping the careers of various writers. Authored several novels and short stories, including 'The Green Queen' and 'The Daughters of Earth'. Researched and wrote extensively on the impact of science fiction on society and culture. Recognized for efforts in promoting and supporting fellow authors within the community.
Continue ReadingMark Fidrych
Pitched for the Detroit Tigers in Major League Baseball during the 1970s. Achieved fame during the 1976 season with a remarkable win-loss record. Delivered charismatic performances on the mound, which garnered significant fan attention. Transitioned into sportscasting after retirement, sharing insights on baseball with audiences.
Continue Reading