Einsteinium was discovered in 1952 in the debris from the nuclear test of Eniwetak.
The element einsteinium was discovered in December 1952 by Albert Ghiorso and co-workers.
Yes. Albert Ghiorso discovered einsteinium (Es 99)
No, but it was produced in several of the tests and was first discovered in the fallout.
The elements are not made; they are discovered and named.
einsteinium and fermium