Corneliu Leu was born on July 21, 1932 in Medgidia, Romania. His mother Valentina Leu was a physician. There are strong historical connections between Romania and the ancient Roman Empire. Leu's birth coincided with significant events in the United States and Belgium, as well as scientific discoveries related to subatomic particles. The passage provides background on Leu's birthplace and ties Romania to the long history and enduring structures of the Roman Empire.