[1] Her place of birth has often been listed incorrectly in various sources as Brussels, Belgium, as that is where she wed Roos in 1936.
[2] Roos' sister Eva Krotoschin Beim was murdered in the Holocaust, and her brother Heinz "Henry" Kent survived and later gave videotaped testimony to the USC Shoah Project.
Roos won the U.S. Women's Chess Championship in 1955 with Gisela Kahn Gresser, both scoring 9–2.
[2] Roos was a professional photographer and at the time of her death was the second highest rated woman in the U.S.
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