"Freier, Phyllis S"@en . "1992Z"^^ . "Phyllis S. Freier (1921\u20131992) was an American astrophysicist and a Fellow, American Association for the Advancement of Science and aFellow, American Physical Society. As a graduate student she presented evidence for the existence of elements heavier than helium in cosmic radiation. Her work was published in Physical Review in 1948 with co-authors Edward J. Lofgren, Edward P. Ney, and Frank Oppenheimer."@en . "American astrophysicist" . "1921Z"^^ .