how old is the boy that plays young sheldon cooper
When he realized he could prove Newtonâs first law of physics using a model train, Sheldon Cooper (played by 9-year-old Iain Armitage) says he felt like âNeil Armstrong on the moon â alone and happy.â The title character on the new show âYoung Sheldonâ is the childhood version of the character on âThe Big Bang Theory.â