In 1948, Dr. Paul Lam's mother left him in the care of his grandmother in China. Ten months old at the time, Dr Lam--whose given Chinese names is Bon Trong, meaning "born to be strong"--grew up under the cruel Communist regime of Mao Zedong and nearly perished during the Great Famine. After escaping from China, studying in Hong Kong, and finally settling in Australia, Dr. Lam won a scholarship to study medicine. Malnutrition left Dr. Paul Lam with...