Question

which of the scientists below did not propose, or believe, that the universe was expanding?
georges lemaître
alexander friedmann
albert einstein
rewatch

Explanation:

• Georges Lemaître proposed the Big Bang theory (implying an expanding universe).
• Alexander Friedmann developed models of an expanding universe.
• Albert Einstein initially introduced a cosmological constant to make the universe static (he didn't believe in an expanding universe at first, later accepted it when evidence of expansion was found).

Answer:

Albert Einstein