Frederica Sagor Maas

Frederica Alexandrina Sagor Maas was an American dramatist and playwright, screenwriter, memoirist, and author, the youngest daughter of Russian immigrants. As an essayist, Maas was best known for a detailed, tellall memoir of her time spent in early Hollywood. She was one of the oldest surviving entertainers from the silent film era.

Maass parents, Arnold and Agnessa Zagorsky, emigrated from Moscow, Russian Empire, and anglicized their surname to Sagor. Her mother supported the family as a very successful midwife. One of four daughters, Frederica Alexandrina Sagor was born on July 6, 1900 in a coldwater, railroad flat on 101st Street near Madison Avenue in Manhattan.

Source: Wikipedia