The first-generation stars are imagined to have lasted only a few million years before going supernova and (because of their size) becoming black holes. We can

The first-generation stars are imagined to have lasted only a few million years before going supernova and (because of their size) becoming black holes. We can never be certain, of course, because they are all long gone. Like, 13 billion years gone. The James Webb telescope is hoped to see back nearly that far back, but not likely near enough to catch any of them.