When Dr. Haven Emerson of Manhattan was a young man, before the Spanish-American War, grandams wisely declared that children grew taller in the springtime, with the plants.
When, after that war, he followed the career of his father, Dr. John Haven Emerson, he observed that children did grow taller in the springtime. They also took sick with colds, fevers, measles, scarlatina, scarlet fever, chicken-pox—in the springtime.
Latterly, after the World War, when he had established himself as professor of public health administration at Columbia University...
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