She attended Byra Bestow-Gersky College and enrolled at Saint Petersburg State University to study law[1] when she was sixteen years old.

In Vienna, she worked with other researchers on trials of the pregnancy test developed by Selmar Aschheim and Bernhard Zondek.

She was especially interested in the integration of endocrinology and women's health and researched the hormonal disturbances involved in infertility, amenorrhea and ovarian dysfunction, as well as the treatment of menopause-related symptoms with synthetic estrogens.

[3] After stepping down as the head of Newark Beth Israel's endocrinology department, Finkler served as a chief emeritus and consultant endocrinologist.

She recovered fully and continued practicing medicine but later developed heart failure,[1] and died of a coronary occlusion in 1968 in New York City.

[3] Her papers, including an unpublished autobiography titled Good Morning, Doctor!, are held by the Rutgers University Libraries.