William James Sidis (April/May 1979 | Volume: 30, Issue: 3)

William James Sidis

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Authors: Richard F. Snow

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April/May 1979 | Volume 30, Issue 3

Early in 1910 the solemn boy on the opposite page stood at a podium in his velvet knickers and, with halting eleven-year-old gravity, addressed a hundred Harvard professors and advanced mathematics students on “Four-Dimensional Bodies.” Though his speculations were too abstruse for some in the audience, Professor Daniel Comstock of MIT followed them all and, at the end of the talk, assured baffled reporters that the boy, William James Sidis, was destined to become one of the great mathematicians of the age. Papers across the country picked up the story, and for a while Sidis was the most famous child in America.

The boy’s extraordinary brilliance was more than fortuitous, or so his father, Boris, believed. The elder Sidis, a Russian-born pioneer in the field of psychopathology, was also deeply interested in early education and firmly convinced that the brain was at its most receptive in the first years of life. In 1898, with the birth of his son, he gained a perfect subject for his experiments. “To delay is a mistake and wrong to the child,” he wrote later in a self-congratulatory book about his son’s education. “We can at that early period awaken a love of knowledge which will persist through life.” Dr. Sidis certainly did not delay. William was still in his crib when his father, using alphabet blocks, began to teach him English.

For a while it all went wonderfully. By the time William was two, he was picking out sentences on a typewriter; at five, he produced a treatise on anatomy and worked out a formula with which he instantly could calculate the day of the week on which any date in history fell; at six, he astounded teachers in the Brookline, Massachusetts, public school system by roaring through a seven-year course of study in just six months; at eight, he developed an entirely new logarithmic table; and at nine, his father decided he was ready to enter Harvard.

University officials didn’t know quite what to do with this monstrously able child. He was clearly qualified for undergraduate work, but finally they decided he was emotionally immature, and suggested he come back in two years.

Even with this delay, William James Sidis was the youngest student ever to attend Harvard when he entered at eleven, taking the record away from Cotton Mather, who matriculated at age twelve in 1674. That winter, the boy gave the lecture on the fourth dimension that established him as the salient child prodigy of his era. The next year, he had a nervous breakdown.

Boris Sidis took his son up to Portsmouth, New Hampshire, where he had founded the Sidis Psycotherapeutic Institute, and treated him there. In a few months, the boy was back at school. His fellow undergraduate Buckminster Fuller met him after his return. “Most students considered him a freak,” said Fuller. “He was sixteen when I knew him, but his parents still sent him to school