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Arthur Schawlow
Arthur Leonard Schawlow (May 5, 1921 – April 28, 1999) was an American physicist and co-inventor of the laser with Charles Townes. His central insight, which Townes overlooked, was the use of two mirrors as the resonant cavity to take maser action from microwaves to visible wavelengths. He shared the 1981 Nobel Prize in Physics with Nicolaas Bloembergen and Kai Siegbahn for his work using lasers to determine atomic energy levels with great precision. Biography Schawlow was born in Mount Vernon, New York. His mother, Helen (Mason), was from Canada, and his father, Arthur Schawlow, was a Jewish immigration, immigrant from Riga (then in the Russian Empire, now in Latvia). Schawlow was raised in his mother's Protestant religion. When Arthur was three years old, they moved to Toronto, Toronto, Ontario, Canada. At the age of 16, he completed high school at Vaughan Road Academy (then Vaughan Collegiate Institute), and received a scholarship in science at the University of Toronto (Vic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Vernon, New York
Mount Vernon is a city in Westchester County, New York, Westchester County, New York (state), New York, United States. It is an inner suburb of New York City, immediately to the north of the Borough (New York City), borough of the Bronx. As of the 2020 United States Census, 2020 census, Mount Vernon had a population of 73,893, making it the eighth most populous city in the state (2010). Mount Vernon has two major sections. South-side Mount Vernon is more urban while north-side Mount Vernon is more residential. Mount Vernon's downtown business district is on the city's south side, which features the City Hall, Mount Vernon's main post office, Mount Vernon Public Library, office buildings, and other municipal establishments. History The Mount Vernon area was first settled in 1664 by families from Connecticut as part of the Eastchester (town), New York, Town of Eastchester. Mount Vernon became a Administrative divisions of New York (state)#Village, village in 1853, and a Adminis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
