Crossword Clue:

one who samples to test a specimen of

AnswerCrossword Clue
LIAROne who fails a polygraph test
ACEROne who nails a test, say
CPAOne who passed a fin. test
LIAROne who doesn't pass a certain test
PRETEENOne who might test a parent's patience
BINETPsychologist who gave his name to a test
TURINGMathematician who lent his name to a test