Cheyl Elisabeth Praeger was born on September 7, 1948 in Toowoomba, Queensland, Australia. She hasn't died yet which would make her 67.
Praeger's parents were named Eric and Queenie. They both had to leave school to earn their living. They didn't have a chance on participating in a higher education.
After leaving her school she enrolled in the Universety of Queensland, and got her B.Sc degree in 1969. 2
Praeger studied the functional equation x (n+1)- x (n)= x (n) + x(x(n) and x is an integer valued function of the integer variable, n, and found three parameter family of solutions.
My sources are here and here and here
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