Were Shah Jahan and Isaac Newton alive at the same time?
Yes. Shah Jahan and Isaac Newton were alive at the same time for 23 years, from 1642 to 1666.
Shah Jahan was 50 when Isaac Newton was born.
Isaac Newton was 23 when Shah Jahan died, aged 74.
Shah Jahan
The fifth Mughal Emperor from 1628 to 1658
Born 15 January 1592 · died 22 January 1666, aged 74
Isaac Newton
English mathematician and physicist
Born 25 December 1642 (Julian calendar) · died 20 March 1727 (Julian calendar), aged 84