Question: The actinide concept in nuclear chemistry was first theorized by a chemist who won the Noble Prize in Chemistry in what year ?
Sentence (from "Actinide concept"): The actinide concept in nuclear chemistry was first theorized by Glenn T. Seaborg in 1944, resulting in the extension of Dmitri Mendeleev's periodic table of the elements by placing a new actinide series, for elements 89–103, below the lanthanide series.
Relevant evidence: Yes