Born in 1890 in Vitebsk, White Russia. Together with his parents, he immigrated to Bialystok. Here she was strongly interested in the actor Julius Adler, who engaged her in 1906 in his troupe, then she went over into the troupes of Misha Genfer and Nakhum Lipovski in Vilna. She also acted in Rappel's troupe in Warsaw on Karova street.

F. wandered around with various Yiddish itinerant troupes across Czechoslovakia, Hungary, Turkey, Russia, Italy, Austria and Romania. In 1929 she returned to Poland, acted in Vilna together with Zygmunt and Jonas Turkow, in the "member troupe" in Bialystok, with Ayzik Samberg and Kurt Katsh and with the troupe of Dr. Paul Baratov. Then on Dzhike street in Warsaw with Herman Fenigstein, and in Krakov with Ben Zion Witler.

After Hitler's aggression in Poland, she arrived in Bialystok, where she became engaged in the local Jewish state theatre. In 1957 she went back to Poland and joined the collective of the Jewish state theatre. On 11 October 1958 she passed away in Warsaw.

In the necrology of the Warsaw "Folkstsaytung", it was said:

"Everywhere [where she had acted], she was well-regarded. She especially excelled in character roles, producing a series of interesting creations. Sarah Flaum acted in the role of "Marisha" ["Makhla"] in "Mirele efros", performing together with the prominent actresses Trilling and Yermolina-Veysman. She also performed in the roles of "Leah" and "Di bobe" in "Dybbuk" by Sh. An-ski, "Di nianye" in Strindberg's "Father", "Hindl" in "God of Vengeance" by Sholem Asch, "Sarah" in "Hard to be a Jew" by Sholem Aleichem.

Strongly popular among the (by) Jewish audience was the acting of Sarah Flaum in Gordin's and Goldfaden's plays: "Di nianye" in "Kreutzer Sonata", "Madam Trakhtenberg" in "Chasia the Orphan", "Abigail" in "Shulamis", and "Sarah" in "The Sacrifice of Isaac".
 

Sh. E.