September Historical Events In Spectroscopy

by Leopold May, Catholic University

• September 1, 1877 - Francis W. Aston who introduced the mass spectrograph in 1919, was born on this day. He received the Nobel Prize in 1922 for his work on isotopes and measured mass of several isotopes to accuracy of 1/1000.
• September 8, 1966 - First TV program of Star Trek appeared on this date.
• September 10, 1892 - Arthur H. Compton did research in cosmic and x-rays for which he received the Nobel Prize in 1927. He was born on this day.
• September 13, 1937 - Polaroid Corporation was incorporated on this date.
• September 14, 1698 - The birthday of Charles F. de Cisternay DuFay who discovered + and - electricity and repulsion between like charges. He did research in phosphorescence and double refraction.
• September 20, 1842 - James Dewar who invented the vacuum flask (Dewar flask) in 1892, was born on this day. In 1899, he was the first to liquefy hydrogen. He showed that many common substances phosphoresce at liquid air temperature.
• September 22, 1791 - Michael Faraday, who was born on this day, discovered that plane polarised light rotated in a magnetic field. He also discovered electromagnetic induction, specific inductive capacity and Faraday's Laws on electrolysis.
• September 25, 1928 - On this date, Motorola was incorporated as Galvin Mfg. Corp.
  

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