Scientist of Tang Dynasty

He, the youngest physicist, is said to have a brain comparable to Einstein. One day he drove a car back to ancient times... She, the most life-oriented little person, returned to ancient times with an artifact - a computer that stores massive amounts of life information... The two people who were originally like parallel lines met in the Tang Dynasty. One was the Oxbridge family who was determined to establish the Tang Dynasty, and the other was the Rothschild family who was determined to establish the Tang Dynasty... What did Datang become due to their efforts? Is it following the wheel of history? Or should we change course and develop in an unknown direction...