Answer: erdos

AnswerCrossword Clue
ERDOS... number (measure of mathematical eminence)
ERDOSMathematician Paul
ERDOSHungarian mathematician Paul
ERDOSSubject of the biography "The Man Who Loved Only Numbers"
ERDOSHungarian known for his prolific output of mathematical papers
ERDOSProlific Hungarian mathematician
ERDOSMathematician dubbed "The Man Who Loved Only Numbers"
ERDOSMathematician who is the subject of the book "The Man Who Loved Only Numbers"
ERDOSMathematician who was the subject of "The Man Who Loved Only Numbers"
ERDOSHungarian-born mathematician Paul
ERDOSMathematician who was the subject of the book "The Man Who Loved Only Numbers"