J Balvin

José Álvaro Osorio Balvín (born May 7, 1985) is a Colombian reggaeton singer. Balvin was born in Medellín, Colombia.Colombian singer J Balvin has released five studio albums, one mixtape, thirty-six singles, twenty-one featured singles, and nine promotional singles.J. Calvin Giddings was a professor of chemistry at the University of Utah.He is credited with the invention of field flow fractionation.On May 27, 1987 Giddings received an honorary doctorate from the Faculty of Pharmacy at Uppsala University, SwedenJ. Calvin Brown (January 12, 1893 – April 7, 1973) was an American consulting engineer and patent attorney of Los Angeles, known as 70th president of the American Society of Mechanical Engineers in the year 1951-52.

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