Science: Toilet Training

Dr. Myrtle Byram McGraw, 40, is a pretty, jolly woman upon whose slim shoulders rests the imposing title of Director of the Normal Child Development Study of the Department of Pediatrics of Columbia University. Four years ago she stopped teaching toddling moppets long enough to wed, contractually* for speed (TIME, Dec. 28, 1936), Research Engineer Rudolph Frederick Mallina. She now has an energetic 3½-year-old daughter of her own, but still spends most of her time trying to find out what makes other people's infants tick.

Last week, before a meeting of the American Psychological...

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