### Carl Pomerance

Factorization of large numbers amounts to trial and retrial. The quadratic and algebraic number sieves produce sophisticated trials which are efficient for numbers up to 150 digits.

(pp. 1473)

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### Constance Reid

Reminiscences about the development of the mathematical career of Julia Robinson.

(pp. 1486)

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### John D. Fulton

(pp. 1493)
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