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• Concepts of probability have been around for thousands of years, but probability theory did not arise as a branch of mathematics until the mid-seventeenth century. Learn more by reading a Brief History of Probability. 
  
  

• We have selected significant people that we feel are the most important in the development of probability or created specific probability problems used on this site. Learn more by reading through the biographies of the Major Contributors to the development of Probability.
  
  

• We have also compiled some Quotations about probability.