Inner and outer space

Question

_{An entry into Fortnightly Topic Challenge #41 : Short and Sweet.}

On aliens and mediums, the mathematician _______ said,

'There is __ _____ and __ __', __ scientific view did not accept them.

_{Inspiration from DEEM's : Same word fills all the blanks (2)}

Answer 1

The mathematician is

Emmy NOETHER

who said (at least according to the puzzle)

"There is NO ETHER and NO ET" -- HER scientific view did not accept them.