Barnett, Kristine. The Spark: A Mother’s Story of Nurturing Genius. Random. Apr. 2013. 272p. ISBN 9780812993370. $27; eISBN 9780679645245. CD/Downloadable: Random Audio. MEMOIR At age 12, Jacob Barnett became a paid researcher in quantum physics, and his IQ is higher than Einstein’s was. But as a distracted toddler, he was diagnosed with autism, and Jacob’s [...]