Question

the existence of an actinide series analogous to the lanthanide series was postulated by​

Answer 1

Explanation:

Glenn Seaborg

The next — and so far final — change to the table was made in 1944 when Glenn Seaborg postulated the existence of the actinide series analogous to the lanthanide series2 instead of a uranium-like group, which was the prevailing wisdom of the tim